Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 392
T0A01: Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?
12 volts
30 volts
120 volts
300 volts
T0A02: How does current flowing through the body cause a health hazard?
By heating tissue
It disrupts the electrical functions of cells
It causes involuntary muscle contractions
All of these choices are correct
T0A03: What is connected to the green wire in a three-wire electrical AC plug?
Neutral
Hot
Safety ground
The white wire
T0A04: What is the purpose of a fuse in an electrical circuit?
To prevent power supply ripple from damaging a circuit
To interrupt power in case of overload
To limit current to prevent shocks
All of these choices are correct
T0A05: Why is it unwise to install a 20-ampere fuse in the place of a 5-ampere fuse?
The larger fuse would be likely to blow because it is rated for higher current
The power supply ripple would greatly increase
Excessive current could cause a fire
All of these choices are correct
T0A06: What is a good way to guard against electrical shock at your station?
Use three-wire cords and plugs for all AC powered equipment
Connect all AC powered station equipment to a common safety ground
Use a circuit protected by a ground-fault interrupter
All of these choices are correct
T0A07: Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feedline?
Include a parallel bypass switch for each protector so that it can be switched out of the circuit when running high power
Include a series switch in the ground line of each protector to prevent RF overload from inadvertently damaging the protector
Keep the ground wires from each protector separate and connected to station ground
Ground all of the protectors to a common plate which is in turn connected to an external ground
T0A08: What is one way to recharge a 12-volt lead-acid station battery if the commercial power is out?
Cool the battery in ice for several hours
Add acid to the battery
Connect the battery to a car's battery and run the engine
All of these choices are correct
T0A09: What kind of hazard is presented by a conventional 12-volt storage battery?
It emits ozone which can be harmful to the atmosphere
Shock hazard due to high voltage
Explosive gas can collect if not properly vented
All of these choices are correct
T0A10: What can happen if a lead-acid storage battery is charged or discharged too quickly?
The battery could overheat and give off flammable gas or explode
The voltage can become reversed
The 'memory effect' will reduce the capacity of the battery
All of these choices are correct
T0A11: Which of the following is good practice when installing ground wires on a tower for lightning protection?
Put a loop in the ground connection to prevent water damage to the ground system
Make sure that all bends in the ground wires are clean, right angle bends
Ensure that connections are short and direct
All of these choices are correct
T0A12: What kind of hazard might exist in a power supply when it is turned off and disconnected?
Static electricity could damage the grounding system
Circulating currents inside the transformer might cause damage
The fuse might blow if you remove the cover
You might receive an electric shock from stored charge in large capacitors
T0A13: What safety equipment should always be included in home-built equipment that is powered from 120V AC power circuits?
A fuse or circuit breaker in series with the AC "hot" conductor
An AC voltmeter across the incoming power source
An inductor in series with the AC power source
A capacitor across the AC power source
T0B01: When should members of a tower work team wear a hard hat and safety glasses?
At all times except when climbing the tower
At all times except when belted firmly to the tower
At all times when any work is being done on the tower
Only when the tower exceeds 30 feet in height
T0B02: What is a good precaution to observe before climbing an antenna tower?
Make sure that you wear a grounded wrist strap
Remove all tower grounding connections
Put on a climbing harness and safety glasses
All of the these choices are correct
T0B03: Under what circumstances is it safe to climb a tower without a helper or observer?
When no electrical work is being performed
When no mechanical work is being performed
When the work being done is not more than 20 feet above the ground
Never
T0B04: Which of the following is an important safety precaution to observe when putting up an antenna tower?
Wear a ground strap connected to your wrist at all times
Insulate the base of the tower to avoid lightning strikes
Look for and stay clear of any overhead electrical wires
All of these choices are correct
T0B05: What is the purpose of a gin pole?
To temporarily replace guy wires
To be used in place of a safety harness
To lift tower sections or antennas
To provide a temporary ground
T0B06: What is the minimum safe distance from a power line to allow when installing an antenna?
Half the width of your property
The height of the power line above ground
1/2 wavelength at the operating frequency
So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires
T0B07: Which of the following is an important safety rule to remember when using a crank-up tower?
This type of tower must never be painted
This type of tower must never be grounded
This type of tower must never be climbed unless it is in the fully retracted position
All of these choices are correct
T0B08: What is considered to be a proper grounding method for a tower?
A single four-foot ground rod, driven into the ground no more than 12 inches from the base
A ferrite-core RF choke connected between the tower and ground
Separate eight-foot long ground rods for each tower leg, bonded to the tower and each other
A connection between the tower base and a cold water pipe
T0B09: Why should you avoid attaching an antenna to a utility pole?
The antenna will not work properly because of induced voltages
The utility company will charge you an extra monthly fee
The antenna could contact high-voltage power wires
All of these choices are correct
T0B10: Which of the following is true concerning grounding conductors used for lightning protection?
Only non-insulated wire must be used
Wires must be carefully routed with precise right-angle bends
Sharp bends must be avoided
Common grounds must be avoided
T0B11: Which of the following establishes grounding requirements for an amateur radio tower or antenna?
FCC Part 97 Rules
Local electrical codes
FAA tower lighting regulations
Underwriters Laboratories' recommended practices
T0C01: What type of radiation are VHF and UHF radio signals?
Gamma radiation
Ionizing radiation
Alpha radiation
Non-ionizing radiation
T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?
3.5 MHz
50 MHz
440 MHz
1296 MHz
T0C03: What is the maximum power level that an amateur radio station may use at VHF frequencies before an RF exposure evaluation is required?
1500 watts PEP transmitter output
1 watt forward power
50 watts PEP at the antenna
50 watts PEP reflected power
T0C04: What factors affect the RF exposure of people near an amateur station antenna?
Frequency and power level of the RF field
Distance from the antenna to a person
Radiation pattern of the antenna
All of these choices are correct
T0C05: Why do exposure limits vary with frequency?
Lower frequency RF fields have more energy than higher frequency fields
Lower frequency RF fields do not penetrate the human body
Higher frequency RF fields are transient in nature
The human body absorbs more RF energy at some frequencies than at others
T0C06: Which of the following is an acceptable method to determine that your station complies with FCC RF exposure regulations?
By calculation based on FCC OET Bulletin 65
By calculation based on computer modeling
By measurement of field strength using calibrated equipment
All of these choices are correct
T0C07: What could happen if a person accidentally touched your antenna while you were transmitting?
Touching the antenna could cause television interference
They might receive a painful RF burn
They might develop radiation poisoning
All of these choices are correct
T0C08: Which of the following actions might amateur operators take to prevent exposure to RF radiation in excess of FCC-supplied limits?
Relocate antennas
Relocate the transmitter
Increase the duty cycle
All of these choices are correct
T0C09: How can you make sure your station stays in compliance with RF safety regulations?
By informing the FCC of any changes made in your station
By re-evaluating the station whenever an item of equipment is changed
By making sure your antennas have low SWR
All of these choices are correct
T0C10: Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?
It affects the average exposure of people to radiation
It affects the peak exposure of people to radiation
It takes into account the antenna feedline loss
It takes into account the thermal effects of the final amplifier
T0C11: What is meant by "duty cycle" when referring to RF exposure?
The difference between lowest usable output and maximum rated output power of a transmitter
The difference between PEP and average power of an SSB signal
The ratio of on-air time to total operating time of a transmitted signal
The amount of time the operator spends transmitting
T1A01: For whom is the Amateur Radio Service intended?
Persons who have messages to broadcast to the public
Persons who need communications for the activities of their immediate family members, relatives and friends
Persons who need two-way communications for personal reasons
Persons who are interested in radio technique solely with a personal aim and without pecuniary interest
T1A02: What agency regulates and enforces the rules for the Amateur Radio Service in the United States?
FEMA
The ITU
The FCC
Homeland Security
T1A03: Which part of the FCC rules contains the rules and regulations governing the Amateur Radio Service?
Part 73
Part 95
Part 90
Part 97
T1A04: Which of the following meets the FCC definition of harmful interference?
Radio transmissions that annoy users of a repeater
Unwanted radio transmissions that cause costly harm to radio station apparatus
That which seriously degrades, obstructs, or repeatedly interrupts a radio communication service operating in accordance with the Radio Regulations
Static from lightning storms
T1A05: What is the FCC Part 97 definition of a space station?
Any multi-stage satellite
An Earth satellite that carries one of more amateur operators
An amateur station located less than 25 km above the Earth's surface
An amateur station located more than 50 km above the Earth's surface
T1A06: What is the FCC Part 97 definition of telecommand?
An instruction bulletin issued by the FCC
A one-way radio transmission of measurements at a distance from the measuring instrument
A one-way transmission to initiate, modify or terminate functions of a device at a distance
An instruction from a VEC
T1A07: What is the FCC Part 97 definition of telemetry?
An information bulletin issued by the FCC
A one-way transmission to initiate, modify or terminate functions of a device at a distance
A one-way transmission of measurements at a distance from the measuring instrument
An information bulletin from a VEC
T1A08: Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?
Frequency Spectrum Manager
Frequency Coordinator
FCC Regional Field Office
International Telecommunications Union
T1A09: Who selects a Frequency Coordinator?
The FCC Office of Spectrum Management and Coordination Policy
The local chapter of the Office of National Council of Independent Frequency Coordinators
Amateur operators in a local or regional area whose stations are eligible to be auxiliary or repeater stations
FCC Regional Field Office
T1A10: What is the FCC Part 97 definition of an amateur station?
A station in an Amateur Radio Service consisting of the apparatus necessary for carrying on radio communications
A building where Amateur Radio receivers, transmitters, and RF power amplifiers are installed
Any radio station operated by a non-professional
Any radio station for hobby use
T1A11: Which of the following stations transmits signals over the air from a remote receive site to a repeater for retransmission?
Beacon station
Relay station
Auxiliary station
Message forwarding station
T1B01: What is the ITU?
An agency of the United States Department of Telecommunications Management
A United Nations agency for information and communication technology issues
An independent frequency coordination agency
A department of the FCC
T1B02: North American amateur stations are located in which ITU region?
Region 1
Region 2
Region 3
Region 4
T1B03: Which frequency is within the 6 meter band?
49.00 MHz
52.525 MHz
28.50 MHz
222.15 MHz
T1B04: Which amateur band are you using when your station is transmitting on 146.52 MHz?
2 meter band
20 meter band
14 meter band
6 meter band
T1B05: Which 70 cm frequency is authorized to a Technician Class license holder operating in ITU Region 2?
53.350 MHz
146.520 MHz
443.350 MHz
222.520 MHz
T1B06: Which 23 cm frequency is authorized to a Technician Class operator license?
2315 MHz
1296 MHz
3390 MHz
146.52 MHz
T1B07: What amateur band are you using if you are transmitting on 223.50 MHz?
15 meter band
10 meter band
2 meter band
1.25 meter band
T1B08: What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis?
Secondary users of a frequency have equal rights to operate
Amateurs are only allowed to use the frequency at night
Amateurs may not cause harmful interference to primary users
Secondary users are not allowed on amateur bands
T1B09: Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
To allow for calibration error in the transmitter frequency display
So that modulation sidebands do not extend beyond the band edge
To allow for transmitter frequency drift
All of these choices are correct
T1B10: Which of the bands available to Technician Class operators have mode-restricted sub-bands?
The 6 meter, 2 meter, and 70 cm bands
The 2 meter and 13 cm bands
The 6 meter, 2 meter, and 1.25 meter bands
The 2 meter and 70 cm bands
T1B11: What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?
CW only
CW and RTTY
SSB only
CW and SSB
T1C01: Which type of call sign has a single letter in both the prefix and suffix?
Vanity
Sequential
Special event
In-memoriam
T1C02: Which of the following is a valid US amateur radio station call sign?
KMA3505
W3ABC
KDKA
11Q1176
T1C03: What types of international communications are permitted by an FCC-licensed amateur station?
Communications incidental to the purposes of the amateur service and remarks of a personal character
Communications incidental to conducting business or remarks of a personal nature
Only communications incidental to contest exchanges, all other communications are prohibited
Any communications that would be permitted on an international broadcast station
T1C04: When are you allowed to operate your amateur station in a foreign country?
When the foreign country authorizes it
When there is a mutual agreement allowing third party communications
When authorization permits amateur communications in a foreign language
When you are communicating with non-licensed individuals in another country
T1C05: What must you do if you are operating on the 23 cm band and learn that you are interfering with a radiolocation station outside the United States?
Stop operating or take steps to eliminate the harmful interference
Nothing, because this band is allocated exclusively to the amateur service
Establish contact with the radiolocation station and ask them to change frequency
Change to CW mode, because this would not likely cause interference
T1C06: From which of the following may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?
From within any country that belongs to the International Telecommunications Union
From within any country that is a member of the United Nations
From anywhere within in ITU Regions 2 and 3
From any vessel or craft located in international waters and documented or registered in the United States
T1C07: What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide the correct mailing address?
Fine or imprisonment
Revocation of the station license or suspension of the operator license
Require the licensee to be re-examined
A reduction of one rank in operator class
T1C08: What is the normal term for an FCC-issued primary station/operator license grant?
Five years
Life
Ten years
Twenty years
T1C09: What is the grace period following the expiration of an amateur license within which the license may be renewed?
Two years
Three years
Five years
Ten years
T1C10: How soon may you operate a transmitter on an amateur service frequency after you pass the examination required for your first amateur radio license?
Immediately
30 days after the test date
As soon as your name and call sign appear in the FCC's ULS database
You must wait until you receive your license in the mail from the FCC
T1C11: If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on amateur service frequencies?
No, transmitting is not allowed until the ULS database shows that the license has been renewed
Yes, but only if you identify using the suffix "GP"
Yes, but only during authorized nets
Yes, for up to two years
T1D01: With which countries are FCC-licensed amateur stations prohibited from exchanging communications?
Any country whose administration has notified the ITU that it objects to such communications
Any country whose administration has notified the United Nations that it objects to such communications
Any country engaged in hostilities with another country
Any country in violation of the War Powers Act of 1934
T1D02: On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?
During an Armed Forces Day Communications Test
During a Memorial Day Celebration
During an Independence Day celebration
During a propagation test
T1D03: When is the transmission of codes or ciphers allowed to hide the meaning of a message transmitted by an amateur station?
Only during contests
Only when operating mobile
Only when transmitting control commands to space stations or radio control craft
Only when frequencies above 1280 MHz are used
T1D04: What is the only time an amateur station is authorized to transmit music?
When incidental to an authorized retransmission of manned spacecraft communications
When the music produces no spurious emissions
When the purpose is to interfere with an illegal transmission
When the music is transmitted above 1280 MHz
T1D05: When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?
When the equipment is normally used in an amateur station and such activity is not conducted on a regular basis
When the asking price is $100.00 or less
When the asking price is less than its appraised value
When the equipment is not the personal property of either the station licensee or the control operator or their close relatives
T1D06: Which of the following types of transmissions are prohibited?
Transmissions that contain obscene or indecent words or language
Transmissions to establish one-way communications
Transmissions to establish model aircraft control
Transmissions for third party communications
T1D07: When is an amateur station authorized to automatically retransmit the radio signals of other amateur stations?
When the signals are from an auxiliary, beacon, or Earth station
When the signals are from an auxiliary, repeater, or space station
When the signals are from a beacon, repeater, or space station
When the signals are from an Earth, repeater, or space station
T1D08: When may the control operator of an amateur station receive compensation for operating the station?
When engaging in communications on behalf of their employer
When the communication is incidental to classroom instruction at an educational institution
When re-broadcasting weather alerts during a RACES net
When notifying other amateur operators of the availability for sale or trade of apparatus
T1D09: Under which of the following circumstances are amateur stations authorized to transmit signals related to broadcasting, program production, or news gathering, assuming no other means is available?
Only where such communications directly relate to the immediate safety of human life or protection of property
Only when broadcasting communications to or from the space shuttle.
Only where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
Only when using amateur repeaters linked to the Internet
T1D10: What is the meaning of the term broadcasting in the FCC rules for the amateur services?
Two-way transmissions by amateur stations
Transmission of music
Transmission of messages directed only to amateur operators
Transmissions intended for reception by the general public
T1D11: Which of the following types of communications are permitted in the Amateur Radio Service?
Brief transmissions to make station adjustments
Retransmission of entertainment programming from a commercial radio or TV station
Retransmission of entertainment material from a public radio or TV station
Communications on a regular basis that could reasonably be furnished alternatively through other radio services
T1E01: When must an amateur station have a control operator?
Only when the station is transmitting
Only when the station is being locally controlled
Only when the station is being remotely controlled
Only when the station is being automatically controlled
T1E02: Who is eligible to be the control operator of an amateur station?
Only a person holding an amateur service license from any country that belongs to the United Nations
Only a citizen of the United States
Only a person over the age of 18
Only a person for whom an amateur operator/primary station license grant appears in the FCC database or who is authorized for alien reciprocal operation
T1E03: Who must designate the station control operator?
The station licensee
The FCC
The frequency coordinator
The ITU
T1E04: What determines the transmitting privileges of an amateur station?
The frequency authorized by the frequency coordinator
The class of operator license held by the station licensee
The highest class of operator license held by anyone on the premises
The class of operator license held by the control operator
T1E05: What is an amateur station control point?
The location of the station's transmitting antenna
The location of the station transmitting apparatus
The location at which the control operator function is performed
The mailing address of the station licensee
T1E06: Under which of the following types of control is it permissible for the control operator to be at a location other than the control point?
Local control
Automatic control
Remote control
Indirect control
T1E07: When the control operator is not the station licensee, who is responsible for the proper operation of the station?
All licensed amateurs who are present at the operation
Only the station licensee
Only the control operator
The control operator and the station licensee are equally responsible
T1E08: What type of control is being used for a repeater when the control operator is not present at a control point?
Local control
Remote control
Automatic control
Unattended
T1E09: What type of control is being used when transmitting using a handheld radio?
Radio control
Unattended control
Automatic control
Local control
T1E10: What type of control is used when the control operator is not at the station location but can indirectly manipulate the operating adjustments of a station?
Local
Remote
Automatic
Unattended
T1E11: Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?
The station custodian
The third party participant
The person operating the station equipment
The station licensee
T1F01: What type of identification is being used when identifying a station on the air as 'Race Headquarters'?
Tactical call
Self-assigned designator
SSID
Broadcast station
T1F02: When using tactical identifiers, how often must your station transmit the station's FCC-assigned call sign?
Never, the tactical call is sufficient
Once during every hour
Every ten minutes
At the end of every communication
T1F03: When is an amateur station required to transmit its assigned call sign?
At the beginning of each contact, and every 10 minutes thereafter
At least once during each transmission
At least every 15 minutes during and at the end of a contact
At least every 10 minutes during and at the end of a contact
T1F04: Which of the following is an acceptable language for use for station identification when operating in a phone sub-band?
Any language recognized by the United Nations
Any language recognized by the ITU
The English language
English, French, or Spanish
T1F05: What method of call sign identification is required for a station transmitting phone signals?
Send the call sign followed by the indicator RPT
Send the call sign using CW or phone emission
Send the call sign followed by the indicator R
Send the call sign using only phone emission
T1F06: Which of the following formats of a self-assigned indicator is acceptable when identifying using a phone transmission?
KL7CC stroke W3
KL7CC slant W3
KL7CC slash W3
All of these choices are correct
T1F07: Which of the following restrictions apply when appending a self-assigned call sign indicator?
It must be more than three letters and less than five letters
It must be less than five letters
It must start with the letters AA through AL, K, N, or W and be not less than two characters or more than five characters in length
It must not conflict with any other indicator specified by the FCC rules or with any call sign prefix assigned to another country
T1F08: When may a Technician Class licensee be the control operator of a station operating in an exclusive Extra Class operator segment of the amateur bands?
Never
On Armed Forces Day
As part of a multi-operator contest team
When using a club station whose trustee is an Extra Class operator licensee
T1F09: What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?
Beacon station
Earth station
Repeater station
Message forwarding station
T1F10: Who is accountable should a repeater inadvertently retransmit communications that violate the FCC rules?
The control operator of the originating station
The control operator of the repeater
The owner of the repeater
Both the originating station and the repeater owner
T1F11: To which foreign stations do the FCC rules authorize the transmission of non-emergency third party communications?
Any station whose government permits such communications
Those in ITU Region 2 only
Those in ITU Regions 2 and 3 only
Those in ITU Region 3 only
T1F12: How many persons are required to be members of a club for a club station license to be issued by the FCC?
At least 5
At least 4
A trustee and 2 officers
At least 2
T1F13: When must the station licensee make the station and its records available for FCC inspection?
Any time upon request by an official observer
Any time upon request by an FCC representative
30 days prior to renewal of the station license
10 days before the first transmission
T2A01: What is the most common repeater frequency offset in the 2 meter band?
plus 500 kHz
plus or minus 600 kHz
minus 500 kHz
Only plus 600 kHz
T2A02: What is the national calling frequency for FM simplex operations in the 70 cm band?
146.520 MHz
145.000 MHz
432.100 MHz
446.000 MHz
T2A03: What is a common repeater frequency offset in the 70 cm band?
Plus or minus 5 MHz
Plus or minus 600 kHz
Minus 600 kHz
Plus 600 kHz
T2A04: What is an appropriate way to call another station on a repeater if you know the other station's call sign?
Say "break, break" then say the station's call sign
Say the station's call sign then identify with your call sign
Say "CQ" three times then the other station's call sign
Wait for the station to call "CQ" then answer it
T2A05: What should you transmit when responding to a call of CQ?
CQ followed by the other station's call sign
Your call sign followed by the other station's call sign
The other station's call sign followed by your call sign
A signal report followed by your call sign
T2A06: What must an amateur operator do when making on-air transmissions to test equipment or antennas?
Properly identify the transmitting station
Make test transmissions only after 10:00 p.m. local time
Notify the FCC of the test transmission
State the purpose of the test during the test procedure
T2A07: Which of the following is true when making a test transmission?
Station identification is not required if the transmission is less than 15 seconds
Station identification is not required if the transmission is less than 1 watt
Station identification is required only if your station can be heard
Station identification is required at least every ten minutes during the test and at the end
T2A08: What is the meaning of the procedural signal "CQ"?
Call on the quarter hour
A new antenna is being tested (no station should answer)
Only the called station should transmit
Calling any station
T2A09: What brief statement is often used in place of "CQ" to indicate that you are listening on a repeater?
Say "Hello test" followed by your call sign
Say your call sign
Say the repeater call sign followed by your call sign
Say the letters "QSY" followed by your call sign
T2A10: What is a band plan, beyond the privileges established by the FCC?
A voluntary guideline for using different modes or activities within an amateur band
A mandated list of operating schedules
A list of scheduled net frequencies
A plan devised by a club to use a frequency band during a contest
T2A11: What are the FCC rules regarding power levels used in the amateur bands?
Always use the maximum power allowed to ensure that you complete the contact
An amateur may use no more than 200 watts PEP to make an amateur contact
An amateur may use up to 1500 watts PEP on any amateur frequency
An amateur must use the minimum transmitter power necessary to carry out the desired communication
T2B01: What is the term used to describe an amateur station that is transmitting and receiving on the same frequency?
Full duplex communication
Diplex communication
Simplex communication
Half duplex communication
T2B02: What is the term used to describe the use of a sub-audible tone transmitted with normal voice audio to open the squelch of a receiver?
Carrier squelch
Tone burst
DTMF
CTCSS
T2B03: Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal?
Tone squelch
Carrier squelch
CTCSS
Modulated carrier
T2B04: Which of the following common problems might cause you to be able to hear but not access a repeater even when transmitting with the proper offset?
The repeater receiver requires audio tone burst for access
The repeater receiver requires a CTCSS tone for access
The repeater receiver may require a DCS tone sequence for access
All of these choices are correct
T2B05: What determines the amount of deviation of an FM signal?
Both the frequency and amplitude of the modulating signal
The frequency of the modulating signal
The amplitude of the modulating signal
The relative phase of the modulating signal and the carrier
T2B06: What happens when the deviation of an FM transmitter is increased?
Its signal occupies more bandwidth
Its output power increases
Its output power and bandwidth increases
Asymmetric modulation occurs
T2B07: What should you do if you receive a report that your station's transmissions are causing splatter or interference on nearby frequencies?
Increase transmit power
Change mode of transmission
Report the interference to the equipment manufacturer
Check your transmitter for off-frequency operation or spurious emissions
T2B08: What is the proper course of action if your station's transmission unintentionally interferes with another station?
Rotate your antenna slightly
Properly identify your transmission and move to a different frequency
Increase power
Change antenna polarization
T2B09: Which of the following methods is encouraged by the FCC when identifying your station when using phone?
Use of a phonetic alphabet
Send your call sign in CW as well as voice
Repeat your call sign three times
Increase your signal to full power when identifying
T2B10: What is the "Q" signal used to indicate that you are receiving interference from other stations?
QRM
QRN
QTH
QSB
T2B11: What is the "Q" signal used to indicate that you are changing frequency?
QRU
QSY
QSL
QRZ
T2C01: What set of rules applies to proper operation of your station when using amateur radio at the request of public service officials?
RACES Rules
ARES Rules
FCC Rules
FEMA Rules
T2C04: What do RACES and ARES have in common?
They represent the two largest ham clubs in the United States
Both organizations broadcast road and weather traffic information
Neither may handle emergency traffic supporting public service agencies
Both organizations may provide communications during emergencies
T2C05: What is the Radio Amateur Civil Emergency Service?
An emergency radio service organized by amateur operators
A radio service using amateur stations for emergency management or civil defense communications
A radio service organized to provide communications at civic events
A radio service organized by amateur operators to assist non-military persons
T2C06: Which of the following is common practice during net operations to get the immediate attention of the net control station when reporting an emergency?
Repeat the words SOS three times followed by the call sign of the reporting station
Press the push-to-talk button three times
Begin your transmission with 'Priority' or 'Emergency' followed by your call sign
Play a pre-recorded emergency alert tone followed by your call sign
T2C07: What should you do to minimize disruptions to an emergency traffic net once you have checked in?
Whenever the net frequency is quiet, announce your call sign and location
Move 5 kHz away from the net's frequency and use high power to ask other hams to keep clear of the net frequency
Do not transmit on the net frequency until asked to do so by the net control station
Wait until the net frequency is quiet, then ask for any emergency traffic for your area
T2C08: What is usually considered to be the most important job of an amateur operator when handling emergency traffic messages?
Passing messages exactly as written, spoken or as received
Estimating the number of people affected by the disaster
Communicating messages to the news media for broadcast outside the disaster area
Broadcasting emergency information to the general public
T2C09: When may an amateur station use any means of radio communications at its disposal for essential communications in connection with immediate safety of human life and protection of property?
Only when FEMA authorizes it by declaring an emergency
When normal communications systems are not available
Only when RACES authorizes it by declaring an emergency
Only when authorized by the local MARS program director
T2C10: What is the preamble in a formal traffic message?
The first paragraph of the message text
The message number
The priority handling indicator for the message
The information needed to track the message as it passes through the amateur radio traffic handling system
T2C11: What is meant by the term "check" in reference to a formal traffic message?
The check is a count of the number of words or word equivalents in the text portion of the message
The check is the value of a money order attached to the message
The check is a list of stations that have relayed the message
The check is a box on the message form that tells you the message was received
T3A01: What should you do if another operator reports that your station's 2 meter signals were strong just a moment ago, but now they are weak or distorted?
Change the batteries in your radio to a different type
Turn on the CTCSS tone
Ask the other operator to adjust his squelch control
Try moving a few feet, as random reflections may be causing multi-path distortion
T3A02: Why are UHF signals often more effective from inside buildings than VHF signals?
VHF signals lose power faster over distance
The shorter wavelength allows them to more easily penetrate the structure of buildings
This is incorrect; VHF works better than UHF inside buildings
UHF antennas are more efficient than VHF antennas
T3A03: What antenna polarization is normally used for long-distance weak-signal CW and SSB contacts using the VHF and UHF bands?
Right-hand circular
Left-hand circular
Horizontal
Vertical
T3A04: What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?
The modulation sidebands might become inverted
Signals could be significantly weaker
Signals have an echo effect on voices
Nothing significant will happen
T3A05: When using a directional antenna, how might your station be able to access a distant repeater if buildings or obstructions are blocking the direct line of sight path?
Change from vertical to horizontal polarization
Try to find a path that reflects signals to the repeater
Try the long path
Increase the antenna SWR
T3A06: What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?
Flip-flopping
Picket fencing
Frequency shifting
Pulsing
T3A07: What type of wave carries radio signals between transmitting and receiving stations?
Electromagnetic
Electrostatic
Surface acoustic
Magnetostrictive
T3A08: What is the cause of irregular fading of signals from distant stations during times of generally good reception?
Absorption of signals by the "D" layer of the ionosphere
Absorption of signals by the "E" layer of the ionosphere
Random combining of signals arriving via different path lengths
Intermodulation distortion in the local receiver
T3A09: Which of the following is a common effect of "skip" reflections between the Earth and the ionosphere?
The sidebands become reversed at each reflection
The polarization of the original signal is randomized
The apparent frequency of the received signal is shifted by a random amount
Signals at frequencies above 30 MHz become stronger with each reflection
T3A10: What may occur if VHF or UHF data signals propagate over multiple paths?
Transmission rates can be increased by a factor equal to the number of separate paths observed
Transmission rates must be decreased by a factor equal to the number of separate paths observed
No significant changes will occur if the signals are transmitting using FM
Error rates are likely to increase
T3A11: Which part of the atmosphere enables the propagation of radio signals around the world?
The stratosphere
The troposphere
The ionosphere
The magnetosphere
T3B01: What is the name for the distance a radio wave travels during one complete cycle?
Wave speed
Waveform
Wavelength
Wave spread
T3B02: What term describes the number of times per second that an alternating current reverses direction?
Pulse rate
Speed
Wavelength
Frequency
T3B03: What are the two components of a radio wave?
AC and DC
Voltage and current
Electric and magnetic fields
Ionizing and non-ionizing radiation
T3B04: How fast does a radio wave travel through free space?
At the speed of light
At the speed of sound
Its speed is inversely proportional to its wavelength
Its speed increases as the frequency increases
T3B05: How does the wavelength of a radio wave relate to its frequency?
The wavelength gets longer as the frequency increases
The wavelength gets shorter as the frequency increases
There is no relationship between wavelength and frequency
The wavelength depends on the bandwidth of the signal
T3B06: What is the formula for converting frequency to wavelength in meters?
Wavelength in meters equals frequency in hertz multiplied by 300
Wavelength in meters equals frequency in hertz divided by 300
Wavelength in meters equals frequency in megahertz divided by 300
Wavelength in meters equals 300 divided by frequency in megahertz
T3B07: What property of radio waves is often used to identify the different frequency bands?
The approximate wavelength
The magnetic intensity of waves
The time it takes for waves to travel one mile
The voltage standing wave ratio of waves
T3B08: What are the frequency limits of the VHF spectrum?
30 to 300 kHz
30 to 300 MHz
300 to 3000 kHz
300 to 3000 MHz
T3B09: What are the frequency limits of the UHF spectrum?
30 to 300 kHz
30 to 300 MHz
300 to 3000 kHz
300 to 3000 MHz
T3B10: What frequency range is referred to as HF?
300 to 3000 MHz
30 to 300 MHz
3 to 30 MHz
300 to 3000 kHz
T3B11: What is the approximate velocity of a radio wave as it travels through free space?
3000 kilometers per second
300,000,000 meters per second
300,000 miles per hour
186,000 miles per hour
T3C01: Why are "direct" (not via a repeater) UHF signals rarely heard from stations outside your local coverage area?
They are too weak to go very far
FCC regulations prohibit them from going more than 50 miles
UHF signals are usually not reflected by the ionosphere
They collide with trees and shrubbery and fade out
T3C02: Which of the following might be happening when VHF signals are being received from long distances?
Signals are being reflected from outer space
Signals are arriving by sub-surface ducting
Signals are being reflected by lightning storms in your area
Signals are being refracted from a sporadic E layer
T3C03: What is a characteristic of VHF signals received via auroral reflection?
Signals from distances of 10,000 or more miles are common
The signals exhibit rapid fluctuations of strength and often sound distorted
These types of signals occur only during winter nighttime hours
These types of signals are generally strongest when your antenna is aimed to the south (for stations in the Northern Hemisphere)
T3C04: Which of the following propagation types is most commonly associated with occasional strong over-the-horizon signals on the 10, 6, and 2 meter bands?
Backscatter
Sporadic E
D layer absorption
Gray-line propagation
T3C05: What is meant by the term "knife-edge" propagation?
Signals are reflected back toward the originating station at acute angles
Signals are sliced into several discrete beams and arrive via different paths
Signals are partially refracted around solid objects exhibiting sharp edges
Signals propagated close to the band edge exhibiting a sharp cutoff
T3C06: What mode is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?
Tropospheric scatter
D layer refraction
F2 layer refraction
Faraday rotation
T3C07: What band is best suited to communicating via meteor scatter?
10 meters
6 meters
2 meters
70 cm
T3C08: What causes "tropospheric ducting"?
Discharges of lightning during electrical storms
Sunspots and solar flares
Updrafts from hurricanes and tornadoes
Temperature inversions in the atmosphere
T3C09: What is generally the best time for long-distance 10 meter band propagation?
During daylight hours
During nighttime hours
When there are coronal mass ejections
Whenever the solar flux is low
T3C10: What is the radio horizon?
The distance at which radio signals between two points are effectively blocked by the curvature of the Earth
The distance from the ground to a horizontally mounted antenna
The farthest point you can see when standing at the base of your antenna tower
The shortest distance between two points on the Earth's surface
T3C11: Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?
Radio signals move somewhat faster than the speed of light
Radio waves are not blocked by dust particles
The Earth seems less curved to radio waves than to light
Radio waves are blocked by dust particles
T4A01: Which of the following is true concerning the microphone connectors on amateur transceivers?
All transceivers use the same microphone connector type
Some connectors include push-to-talk and voltages for powering the microphone
All transceivers using the same connector type are wired identically
Un-keyed connectors allow any microphone to be connected
T4A02: What could be used in place of a regular speaker to help you copy signals in a noisy area?
A video display
A low pass filter
A set of headphones
A boom microphone
T4A03: Which is a good reason to use a regulated power supply for communications equipment?
It prevents voltage fluctuations from reaching sensitive circuits
A regulated power supply has FCC approval
A fuse or circuit breaker regulates the power
Power consumption is independent of load
T4A04: Where must a filter be installed to reduce harmonic emissions?
Between the transmitter and the antenna
Between the receiver and the transmitter
At the station power supply
At the microphone
T4A05: What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from a nearby 2 meter transmitter?
Low-pass filter
High-pass filter
Band-pass filter
Band-reject filter
T4A06: Which of the following would be connected between a transceiver and computer in a packet radio station?
Transmatch
Mixer
Terminal node controller
Antenna
T4A07: How is the computer's sound card used when conducting digital communications using a computer?
The sound card communicates between the computer CPU and the video display
The sound card records the audio frequency for video display
The sound card provides audio to the microphone input and converts received audio to digital form
All of these choices are correct
T4A08: Which type of conductor is best to use for RF grounding?
Round stranded wire
Round copper-clad steel wire
Twisted-pair cable
Flat strap
T4A09: Which would you use to reduce RF current flowing on the shield of an audio cable?
Band-pass filter
Low-pass filter
Preamplifier
Ferrite choke
T4A10: What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?
The ignition system
The alternator
The electric fuel pump
Anti-lock braking system controllers
T4A11: Where should a mobile transceiver's power negative connection be made?
At the battery or engine block ground strap
At the antenna mount
To any metal part of the vehicle
Through the transceiver's mounting bracket
T4B01: What may happen if a transmitter is operated with the microphone gain set too high?
The output power might be too high
The output signal might become distorted
The frequency might vary
The SWR might increase
T4B02: Which of the following can be used to enter the operating frequency on a modern transceiver?
The keypad or VFO knob
The CTCSS or DTMF encoder
The Automatic Frequency Control
All of these choices are correct
T4B03: What is the purpose of the squelch control on a transceiver?
To set the highest level of volume desired
To set the transmitter power level
To adjust the automatic gain control
To mute receiver output noise when no signal is being received
T4B04: What is a way to enable quick access to a favorite frequency on your transceiver?
Enable the CTCSS tones
Store the frequency in a memory channel
Disable the CTCSS tones
Use the scan mode to select the desired frequency
T4B05: Which of the following would reduce ignition interference to a receiver?
Change frequency slightly
Decrease the squelch setting
Turn on the noise blanker
Use the RIT control
T4B06: Which of the following controls could be used if the voice pitch of a single-sideband signal seems too high or low?
The AGC or limiter
The bandwidth selection
The tone squelch
The receiver RIT or clarifier
T4B07: What does the term "RIT" mean?
Receiver Input Tone
Receiver Incremental Tuning
Rectifier Inverter Test
Remote Input Transmitter
T4B08: What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?
Permits monitoring several modes at once
Permits noise or interference reduction by selecting a bandwidth matching the mode
Increases the number of frequencies that can be stored in memory
Increases the amount of offset between receive and transmit frequencies
T4B09: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for SSB reception?
500 Hz
1000 Hz
2400 Hz
5000 Hz
T4B10: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for CW reception?
500 Hz
1000 Hz
2400 Hz
5000 Hz
T4B11: Which of the following describes the common meaning of the term 'repeater offset'?
The distance between the repeater's transmit and receive antennas
The time delay before the repeater timer resets
The difference between the repeater's transmit and receive frequencies
The maximum frequency deviation permitted on the repeater's input signal
T5A01: Electrical current is measured in which of the following units?
Volts
Watts
Ohms
Amperes
T5A03: What is the name for the flow of electrons in an electric circuit?
Voltage
Resistance
Capacitance
Current
T5A04: What is the name for a current that flows only in one direction?
Alternating current
Direct current
Normal current
Smooth current
T5A05: What is the electrical term for the electromotive force (EMF) that causes electron flow?
Voltage
Ampere-hours
Capacitance
Inductance
T5A06: How much voltage does a mobile transceiver usually require?
About 12 volts
About 30 volts
About 120 volts
About 240 volts
T5A07: Which of the following is a good electrical conductor?
Glass
Wood
Copper
Rubber
T5A08: Which of the following is a good electrical insulator?
Copper
Glass
Aluminum
Mercury
T5A09: What is the name for a current that reverses direction on a regular basis?
Alternating current
Direct current
Circular current
Vertical current
T5A10: Which term describes the rate at which electrical energy is used?
Resistance
Current
Power
Voltage
T5A11: What is the basic unit of electromotive force?
The volt
The watt
The ampere
The ohm
T5B01: How many milliamperes is 1.5 amperes?
15 milliamperes
150 milliamperes
1,500 milliamperes
15,000 milliamperes
T5B02: What is another way to specify a radio signal frequency of 1,500,000 hertz?
1500 kHz
1500 MHz
15 GHz
150 kHz
T5B03: How many volts are equal to one kilovolt?
One one-thousandth of a volt
One hundred volts
One thousand volts
One million volts
T5B04: How many volts are equal to one microvolt?
One one-millionth of a volt
One million volts
One thousand kilovolts
One one-thousandth of a volt
T5B05: Which of the following is equivalent to 500 milliwatts?
0.02 watts
0.5 watts
5 watts
50 watts
T5B06: If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, what reading would it show?
0.003 amperes
0.3 amperes
3 amperes
3,000,000 amperes
T5B07: If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?
0.003525 kHz
35.25 kHz
3525 kHz
3,525,000 kHz
T5B08: How many microfarads are 1,000,000 picofarads?
0.001 microfarads
1 microfarad
1000 microfarads
1,000,000,000 microfarads
T5B09: What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?
2 dB
3 dB
5 dB
10 dB
T5B10: What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?
1 dB
3 dB
6 dB
9 dB
T5B11: What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?
10 dB
12 dB
18 dB
28 dB
T5C01: What is the ability to store energy in an electric field called?
Inductance
Resistance
Tolerance
Capacitance
T5C02: What is the basic unit of capacitance?
The farad
The ohm
The volt
The henry
T5C03: What is the ability to store energy in a magnetic field called?
Admittance
Capacitance
Resistance
Inductance
T5C04: What is the basic unit of inductance?
The coulomb
The farad
The henry
The ohm
T5C05: What is the unit of frequency?
Hertz
Henry
Farad
Tesla
T5C06: What is the abbreviation that refers to radio frequency signals of all types?
AF
HF
RF
VHF
T5C07: What is a usual name for electromagnetic waves that travel through space?
Gravity waves
Sound waves
Radio waves
Pressure waves
T5C08: What is the formula used to calculate electrical power in a DC circuit?
Power (P) equals voltage (E) multiplied by current (I)
Power (P) equals voltage (E) divided by current (I)
Power (P) equals voltage (E) minus current (I)
Power (P) equals voltage (E) plus current (I)
T5C09: How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes?
138 watts
0.7 watts
23.8 watts
3.8 watts
T5C10: How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?
4.8 watts
30 watts
14.5 watts
0.208 watts
T5C11: How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?
0.1 amperes
10 amperes
12 amperes
132 amperes
T5D01: What formula is used to calculate current in a circuit?
Current (I) equals voltage (E) multiplied by resistance (R)
Current (I) equals voltage (E) divided by resistance (R)
Current (I) equals voltage (E) added to resistance (R)
Current (I) equals voltage (E) minus resistance (R)
T5D02: What formula is used to calculate voltage in a circuit?
Voltage (E) equals current (I) multiplied by resistance (R)
Voltage (E) equals current (I) divided by resistance (R)
Voltage (E) equals current (I) added to resistance (R)
Voltage (E) equals current (I) minus resistance (R)
T5D03: What formula is used to calculate resistance in a circuit?
Resistance (R) equals voltage (E) multiplied by current (I)
Resistance (R) equals voltage (E) divided by current (I)
Resistance (R) equals voltage (E) added to current (I)
Resistance (R) equals voltage (E) minus current (I)
T5D04: What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?
3 ohms
30 ohms
93 ohms
270 ohms
T5D05: What is the resistance in a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?
18 ohms
0.125 ohms
8 ohms
13.5 ohms
T5D06: What is the resistance of a circuit that draws 4 amperes from a 12-volt source?
3 ohms
16 ohms
48 ohms
8 Ohms
T5D07: What is the current flow in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?
9600 amperes
200 amperes
0.667 amperes
1.5 amperes
T5D08: What is the current flowing through a 100-ohm resistor connected across 200 volts?
20,000 amperes
0.5 amperes
2 amperes
100 amperes
T5D09: What is the current flowing through a 24-ohm resistor connected across 240 volts?
24,000 amperes
0.1 amperes
10 amperes
216 amperes
T5D10: What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?
1 volt
0.25 volts
2.5 volts
1.5 volts
T5D11: What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
1 volt
10 volts
11 volts
9 volts
T5D12: What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?
8 volts
0.2 volts
12 volts
20 volts
T6A01: What electrical component is used to oppose the flow of current in a DC circuit?
Inductor
Resistor
Voltmeter
Transformer
T6A02: What type of component is often used as an adjustable volume control?
Fixed resistor
Power resistor
Potentiometer
Transformer
T6A03: What electrical parameter is controlled by a potentiometer?
Inductance
Resistance
Capacitance
Field strength
T6A04: What electrical component stores energy in an electric field?
Resistor
Capacitor
Inductor
Diode
T6A05: What type of electrical component consists of two or more conductive surfaces separated by an insulator?
Resistor
Potentiometer
Oscillator
Capacitor
T6A06: What type of electrical component stores energy in a magnetic field?
Resistor
Capacitor
Inductor
Diode
T6A07: What electrical component is usually composed of a coil of wire?
Switch
Capacitor
Diode
Inductor
T6A08: What electrical component is used to connect or disconnect electrical circuits?
Zener Diode
Switch
Inductor
Variable resistor
T6A09: What electrical component is used to protect other circuit components from current overloads?
Fuse
Capacitor
Shield
Inductor
T6A10: What is the nominal voltage of a fully charged nickel-cadmium cell?
1.0 volts
1.2 volts
1.5 volts
2.2 volts
T6A11: Which battery type is not rechargeable?
Nickel-cadmium
Carbon-zinc
Lead-acid
Lithium-ion
T6B01: What class of electronic components is capable of using a voltage or current signal to control current flow?
Capacitors
Inductors
Resistors
Transistors
T6B02: What electronic component allows current to flow in only one direction?
Resistor
Fuse
Diode
Driven Element
T6B03: Which of these components can be used as an electronic switch or amplifier?
Oscillator
Potentiometer
Transistor
Voltmeter
T6B04: Which of these components is made of three layers of semiconductor material?
Alternator
Bipolar junction transistor
Triode
Pentagrid converter
T6B05: Which of the following electronic components can amplify signals?
Transistor
Variable resistor
Electrolytic capacitor
Multi-cell battery
T6B06: How is a semiconductor diode's cathode lead usually identified?
With the word "cathode"
With a stripe
With the letter "C"
All of these choices are correct
T6B07: What does the abbreviation "LED" stand for?
Low Emission Diode
Light Emitting Diode
Liquid Emission Detector
Long Echo Delay
T6B08: What does the abbreviation "FET" stand for?
Field Effect Transistor
Fast Electron Transistor
Free Electron Transition
Field Emission Thickness
T6B09: What are the names of the two electrodes of a diode?
Plus and minus
Source and drain
Anode and cathode
Gate and base
T6B10: Which semiconductor component has an emitter electrode?
Bipolar transistor
Field effect transistor
Silicon diode
Bridge rectifier
T6B11: Which semiconductor component has a gate electrode?
Bipolar transistor
Field effect transistor
Silicon diode
Bridge rectifier
T6B12: What is the term that describes a transistor's ability to amplify a signal?
Gain
Forward resistance
Forward voltage drop
On resistance
T6C01: What is the name for standardized representations of components in an electrical wiring diagram?
Electrical depictions
Grey sketch
Schematic symbols
Component callouts
T6C02: What is component 1 in figure T1?
Resistor
Transistor
Battery
Connector
T6C03: What is component 2 in figure T1?
Resistor
Transistor
Indicator lamp
Connector
T6C04: What is component 3 in figure T1?
Resistor
Transistor
Lamp
Ground symbol
T6C05: What is component 4 in figure T1?
Resistor
Transistor
Battery
Ground symbol
T6C06: What is component 6 in figure T2?
Resistor
Capacitor
Regulator IC
Transistor
T6C07: What is component 8 in figure T2?
Resistor
Inductor
Regulator IC
Light emitting diode
T6C08: What is component 9 in figure T2?
Variable capacitor
Variable inductor
Variable resistor
Variable transformer
T6C09: What is component 4 in figure T2?
Variable inductor
Double-pole switch
Potentiometer
Transformer
T6C10: What is component 3 in figure T3?
Connector
Meter
Variable capacitor
Variable inductor
T6C11: What is component 4 in figure T3?
Antenna
Transmitter
Dummy load
Ground
T6C12: What do the symbols on an electrical circuit schematic diagram represent?
Electrical components
Logic states
Digital codes
Traffic nodes
T6D01: Which of the following devices or circuits changes an alternating current into a varying direct current signal?
Transformer
Rectifier
Amplifier
Reflector
T6D02: What best describes a relay?
A switch controlled by an electromagnet
A current controlled amplifier
An optical sensor
A pass transistor
T6D03: What type of switch is represented by item 3 in figure T2?
Single-pole single-throw
Single-pole double-throw
Double-pole single-throw
Double-pole double-throw
T6D04: Which of the following can be used to display signal strength on a numeric scale?
Potentiometer
Transistor
Meter
Relay
T6D05: What type of circuit controls the amount of voltage from a power supply?
Regulator
Oscillator
Filter
Phase inverter
T6D06: What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?
Variable capacitor
Transformer
Transistor
Diode
T6D07: Which of the following is commonly used as a visual indicator?
LED
FET
Zener diode
Bipolar transistor
T6D08: Which of the following is used together with an inductor to make a tuned circuit?
Resistor
Zener diode
Potentiometer
Capacitor
T6D09: What is the name of a device that combines several semiconductors and other components into one package?
Transducer
Multi-pole relay
Integrated circuit
Transformer
T6D10: What is the function of component 2 in Figure T1?
Give off light when current flows through it
Supply electrical energy
Control the flow of current
Convert electrical energy into radio waves
T6D11: Which of the following is a common use of coaxial cable?
Carry dc power from a vehicle battery to a mobile radio
Carry RF signals between a radio and antenna
Secure masts, tubing, and other cylindrical objects on towers
Connect data signals from a TNC to a computer
T7A01: What is the function of a product detector?
Detect phase modulated signals
Demodulate FM signals
Detect CW and SSB signals
Combine speech and RF signals
T7A02: What type of receiver is shown in Figure T6?
Direct conversion
Super-regenerative
Single-conversion superheterodyne
Dual-conversion superheterodyne
T7A03: What is the function of a mixer in a superheterodyne receiver?
To reject signals outside of the desired passband
To combine signals from several stations together
To shift the incoming signal to an intermediate frequency
To connect the receiver with an auxiliary device, such as a TNC
T7A04: What circuit is pictured in Figure T7, if block 1 is a frequency discriminator?
A double-conversion receiver
A regenerative receiver
A superheterodyne receiver
An FM receiver
T7A05: What is the function of block 1 if figure T4 is a simple CW transmitter?
Reactance modulator
Product detector
Low-pass filter
Oscillator
T7A06: What device takes the output of a low-powered 28 MHz SSB exciter and produces a 222 MHz output signal?
High-pass filter
Low-pass filter
Transverter
Phase converter
T7A07: If figure T5 represents a transceiver in which block 1 is the transmitter portion and block 3 is the receiver portion, what is the function of block 2?
A balanced modulator
A transmit-receive switch
A power amplifier
A high-pass filter
T7A08: Which of the following circuits combines a speech signal and an RF carrier?
Beat frequency oscillator
Discriminator
Modulator
Noise blanker
T7A09: Which of the following devices is most useful for VHF weak-signal communication?
A quarter-wave vertical antenna
A multi-mode VHF transceiver
An omni-directional antenna
A mobile VHF FM transceiver
T7A10: What device increases the low-power output from a handheld transceiver?
A voltage divider
An RF power amplifier
An impedance network
A voltage regulator
T7A11: Which of the following circuits demodulates FM signals?
Limiter
Discriminator
Product detector
Phase inverter
T7A12: Which term describes the ability of a receiver to discriminate between multiple signals?
Tuning rate
Sensitivity
Selectivity
Noise floor
T7A13: Where is an RF preamplifier installed?
Between the antenna and receiver
At the output of the transmitter's power amplifier
Between a transmitter and antenna tuner
At the receiver's audio output
T7B01: What can you do if you are told your FM handheld or mobile transceiver is over deviating?
Talk louder into the microphone
Let the transceiver cool off
Change to a higher power level
Talk farther away from the microphone
T7B02: What is meant by fundamental overload in reference to a receiver?
Too much voltage from the power supply
Too much current from the power supply
Interference caused by very strong signals
Interference caused by turning the volume up too high
T7B03: Which of the following may be a cause of radio frequency interference?
Fundamental overload
Harmonics
Spurious emissions
All of these choices are correct
T7B04: What is the most likely cause of interference to a non-cordless telephone from a nearby transmitter?
Harmonics from the transmitter
The telephone is inadvertently acting as a radio receiver
Poor station grounding
Improper transmitter adjustment
T7B05: What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?
Install a low-pass filter at the transmitter
Install a high-pass filter at the transmitter
Install an RF filter at the telephone
Improve station grounding
T7B06: What should you do first if someone tells you that your station's transmissions are interfering with their radio or TV reception?
Make sure that your station is functioning properly and that it does not cause interference to your own television
Immediately turn off your transmitter and contact the nearest FCC office for assistance
Tell them that your license gives you the right to transmit and nothing can be done to reduce the interference
Continue operating normally because your equipment cannot possibly cause any interference
T7B07: Which of the following may be useful in correcting a radio frequency interference problem?
Snap-on ferrite chokes
Low-pass and high-pass filters
Band-reject and band-pass filters
All of these choices are correct
T7B08: What should you do if a "Part 15" device in your neighbor's home is causing harmful interference to your amateur station?
Work with your neighbor to identify the offending device
Politely inform your neighbor about the rules that require him to stop using the device if it causes interference
Check your station and make sure it meets the standards of good amateur practice
All of these choices are correct
T7B09: What could be happening if another operator reports a variable high-pitched whine on the audio from your mobile transmitter?
Your microphone is picking up noise from an open window
You have the volume on your receiver set too high
You need to adjust your squelch control
Noise on the vehicle's electrical system is being transmitted along with your speech audio
T7B10: What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?
Your transmitter may be slightly off frequency
Your batteries may be running low
You could be in a bad location
All of these choices are correct
T7B11: What is a symptom of RF feedback in a transmitter or transceiver?
Excessive SWR at the antenna connection
The transmitter will not stay on the desired frequency
Reports of garbled, distorted, or unintelligible transmissions
Frequent blowing of power supply fuses
T7B12: What does the acronym "BER" mean when applied to digital communications systems?
Baud Enhancement Recovery
Baud Error Removal
Bit Error Rate
Bit Exponent Resource
T7C01: What is the primary purpose of a dummy load?
To prevent the radiation of signals when making tests
To prevent over-modulation of your transmitter
To improve the radiation from your antenna
To improve the signal to noise ratio of your receiver
T7C02: Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?
A VTVM
An antenna analyzer
A "Q" meter
A frequency counter
T7C03: What, in general terms, is standing wave ratio (SWR)?
A measure of how well a load is matched to a transmission line
The ratio of high to low impedance in a feedline
The transmitter efficiency ratio
An indication of the quality of your station's ground connection
T7C04: What reading on an SWR meter indicates a perfect impedance match between the antenna and the feedline?
2 to 1
1 to 3
1 to 1
10 to 1
T7C05: What is the approximate SWR value above which the protection circuits in most solid-state transmitters begin to reduce transmitter power?
2 to 1
1 to 2
6 to 1
10 to 1
T7C06: What does an SWR reading of 4:1 mean?
An antenna loss of 4 dB
A good impedance match
An antenna gain of 4
An impedance mismatch
T7C07: What happens to power lost in a feedline?
It increases the SWR
It comes back into your transmitter and could cause damage
It is converted into heat
It can cause distortion of your signal
T7C08: What instrument other than an SWR meter could you use to determine if a feedline and antenna are properly matched?
Voltmeter
Ohmmeter
Iambic pentameter
Directional wattmeter
T7C09: Which of the following is the most common cause for failure of coaxial cables?
Moisture contamination
Gamma rays
The velocity factor exceeds 1.0
Overloading
T7C10: Why should the outer jacket of coaxial cable be resistant to ultraviolet light?
Ultraviolet resistant jackets prevent harmonic radiation
Ultraviolet light can increase losses in the cable's jacket
Ultraviolet and RF signals can mix together, causing interference
Ultraviolet light can damage the jacket and allow water to enter the cable
T7C11: What is a disadvantage of "air core" coaxial cable when compared to foam or solid dielectric types?
It has more loss per foot
It cannot be used for VHF or UHF antennas
It requires special techniques to prevent water absorption
It cannot be used at below freezing temperatures
T7D01: Which instrument would you use to measure electric potential or electromotive force?
An ammeter
A voltmeter
A wavemeter
An ohmmeter
T7D02: What is the correct way to connect a voltmeter to a circuit?
In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit
T7D03: How is an ammeter usually connected to a circuit?
In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit
T7D04: Which instrument is used to measure electric current?
An ohmmeter
A wavemeter
A voltmeter
An ammeter
T7D05: What instrument is used to measure resistance?
An oscilloscope
A spectrum analyzer
A noise bridge
An ohmmeter
T7D06: Which of the following might damage a multimeter?
Measuring a voltage too small for the chosen scale
Leaving the meter in the milliamps position overnight
Attempting to measure voltage when using the resistance setting
Not allowing it to warm up properly
T7D07: Which of the following measurements are commonly made using a multimeter?
SWR and RF power
Signal strength and noise
Impedance and reactance
Voltage and resistance
T7D08: Which of the following types of solder is best for radio and electronic use?
Acid-core solder
Silver solder
Rosin-core solder
Aluminum solder
T7D09: What is the characteristic appearance of a "cold" solder joint?
Dark black spots
A bright or shiny surface
A grainy or dull surface
A greenish tint
T7D10: What is probably happening when an ohmmeter, connected across a circuit, initially indicates a low resistance and then shows increasing resistance with time?
The ohmmeter is defective
The circuit contains a large capacitor
The circuit contains a large inductor
The circuit is a relaxation oscillator
T7D11: Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?
Ensure that the applied voltages are correct
Ensure that the circuit is not powered
Ensure that the circuit is grounded
Ensure that the circuit is operating at the correct frequency
T8A01: Which of the following is a form of amplitude modulation?
Spread-spectrum
Packet radio
Single sideband
Phase shift keying
T8A02: What type of modulation is most commonly used for VHF packet radio transmissions?
FM
SSB
AM
Spread Spectrum
T8A03: Which type of voice modulation is most often used for long-distance or weak signal contacts on the VHF and UHF bands?
FM
AM
SSB
PM
T8A04: Which type of modulation is most commonly used for VHF and UHF voice repeaters?
AM
SSB
PSK
FM
T8A05: Which of the following types of emission has the narrowest bandwidth?
FM voice
SSB voice
CW
Slow-scan TV
T8A06: Which sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications?
Upper sideband
Lower sideband
Suppressed sideband
Inverted sideband
T8A07: What is the primary advantage of single sideband over FM for voice transmissions?
SSB signals are easier to tune
SSB signals are less susceptible to interference
SSB signals have narrower bandwidth
All of these choices are correct
T8A08: What is the approximate bandwidth of a single sideband voice signal?
1 kHz
3 kHz
6 kHz
15 kHz
T8A09: What is the approximate bandwidth of a VHF repeater FM phone signal?
Less than 500 Hz
About 150 kHz
Between 5 and 15 kHz
Between 50 and 125 kHz
T8A10: What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?
More than 10 MHz
About 6 MHz
About 3 MHz
About 1 MHz
T8A11: What is the approximate maximum bandwidth required to transmit a CW signal?
2.4 kHz
150 Hz
1000 Hz
15 kHz
T8B01: Who may be the control operator of a station communicating through an amateur satellite or space station?
Only an Amateur Extra Class operator
A General Class licensee or higher licensee who has a satellite operator certification
Only an Amateur Extra Class operator who is also an AMSAT member
Any amateur whose license privileges allow them to transmit on the satellite uplink frequency
T8B02: How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?
The maximum power of your transmitter
The minimum amount of power needed to complete the contact
No more than half the rating of your linear amplifier
Never more than 1 watt
T8B03: Which of the following can be done using an amateur radio satellite?
Talk to amateur radio operators in other countries
Get global positioning information
Make telephone calls
All of these choices are correct
T8B04: Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?
Only members of amateur radio clubs at NASA facilities
Any amateur holding a Technician or higher class license
Only the astronaut's family members who are hams
You cannot talk to the ISS on amateur radio frequencies
T8B05: What is a satellite beacon?
The primary transmit antenna on the satellite
An indicator light that that shows where to point your antenna
A reflective surface on the satellite
A transmission from a space station that contains information about a satellite
T8B06: What can be used to determine the time period during which an amateur satellite or space station can be accessed?
A GPS receiver
A field strength meter
A telescope
A satellite tracking program
T8B07: With regard to satellite communications, what is Doppler shift?
A change in the satellite orbit
A mode where the satellite receives signals on one band and transmits on another
An observed change in signal frequency caused by relative motion between the satellite and the earth station
A special digital communications mode for some satellites
T8B08: What is meant by the statement that a satellite is operating in "mode U/V"?
The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
The satellite uplink is in the 70 cm band and the downlink is in the 2 meter band
The satellite operates using ultraviolet frequencies
The satellite frequencies are usually variable
T8B09: What causes "spin fading" when referring to satellite signals?
Circular polarized noise interference radiated from the sun
Rotation of the satellite and its antennas
Doppler shift of the received signal
Interfering signals within the satellite uplink band
T8B10: What do the initials LEO tell you about an amateur satellite?
The satellite battery is in Low Energy Operation mode
The satellite is performing a Lunar Ejection Orbit maneuver
The satellite is in a Low Earth Orbit
The satellite uses Light Emitting Optics
T8B11: What is a commonly used method of sending signals to and from a digital satellite?
USB AFSK
PSK31
FM Packet
WSJT
T8C01: Which of the following methods is used to locate sources of noise interference or jamming?
Echolocation
Doppler radar
Radio direction finding
Phase locking
T8C02: Which of these items would be useful for a hidden transmitter hunt?
Calibrated SWR meter
A directional antenna
A calibrated noise bridge
All of these choices are correct
T8C03: What popular operating activity involves contacting as many stations as possible during a specified period of time?
Contesting
Net operations
Public service events
Simulated emergency exercises
T8C04: Which of the following is good procedure when contacting another station in a radio contest?
Be sure to sign only the last two letters of your call if there is a pileup calling the station
Work the station twice to be sure that you are in his log
Send only the minimum information needed for proper identification and the contest exchange
All of these choices are correct
T8C05: What is a grid locator?
A letter-number designator assigned to a geographic location
A letter-number designator assigned to an azimuth and elevation
An instrument for neutralizing a final amplifier
An instrument for radio direction finding
T8C06: For what purpose is a temporary "1 by 1" format (letter-number-letter) call sign assigned?
To designate an experimental station
To honor a deceased relative who was a radio amateur
For operations in conjunction with an activity of special significance to the amateur community
All of these choices are correct
T8C07: What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
500 milliwatts
1 watt
25 watts
1500 watts
T8C08: What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?
Voice identification must be transmitted every 10 minutes
Morse code ID must be sent once per hour
A label indicating the licensee's name, call sign and address must be affixed to the transmitter
A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger
T8C09: How might you obtain a list of active nodes that use VoIP?
From the FCC Rulebook
From your local emergency coordinator
From a repeater directory
From the local repeater frequency coordinator
T8C10: How do you select a specific IRLP node when using a portable transceiver?
Choose a specific CTCSS tone
Choose the correct DSC tone
Access the repeater autopatch
Use the keypad to transmit the IRLP node ID
T8C11: What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?
A gateway
A repeater
A digipeater
A beacon
T8D01: Which of the following is an example of a digital communications method?
Packet
PSK31
MFSK
All of these choices are correct
T8D02: What does the term APRS mean?
Automatic Position Reporting System
Associated Public Radio Station
Auto Planning Radio Set-up
Advanced Polar Radio System
T8D03: Which of the following is normally used when sending automatic location reports via amateur radio?
A connection to the vehicle speedometer
A WWV receiver
A connection to a broadcast FM sub-carrier receiver
A Global Positioning System receiver
T8D04: What type of transmission is indicated by the term NTSC?
A Normal Transmission mode in Static Circuit
A special mode for earth satellite uplink
An analog fast scan color TV signal
A frame compression scheme for TV signals
T8D05: Which of the following emission modes may be used by a Technician Class operator between 219 and 220 MHz?
Spread spectrum
Data
SSB voice
Fast-scan television
T8D06: What does the abbreviation PSK mean?
Pulse Shift Keying
Phase Shift Keying
Packet Short Keying
Phased Slide Keying
T8D07: What is PSK31?
A high-rate data transmission mode
A method of reducing noise interference to FM signals
A method of compressing digital television signal
A low-rate data transmission mode
T8D08: Which of the following may be included in packet transmissions?
A check sum which permits error detection
A header which contains the call sign of the station to which the information is being sent
Automatic repeat request in case of error
All of these choices are correct
T8D09: What code is used when sending CW in the amateur bands?
Baudot
Hamming
International Morse
Gray
T8D10: Which of the following can be used to transmit CW in the amateur bands?
Straight Key
Electronic Keyer
Computer Keyboard
All of these choices are correct
T8D11: What is a "parity" bit?
A control code required for automatic position reporting
A timing bit used to ensure equal sharing of a frequency
An extra code element used to detect errors in received data
A "triple width" bit used to signal the end of a character
T9A01: What is a beam antenna?
An antenna built from aluminum I-beams
An omnidirectional antenna invented by Clarence Beam
An antenna that concentrates signals in one direction
An antenna that reverses the phase of received signals
T9A02: Which of the following is true regarding vertical antennas?
The magnetic field is perpendicular to the Earth
The electric field is perpendicular to the Earth
The phase is inverted
The phase is reversed
T9A03: Which of the following describes a simple dipole mounted so the conductor is parallel to the Earth's surface?
A ground wave antenna
A horizontally polarized antenna
A rhombic antenna
A vertically polarized antenna
T9A04: What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?
It does not transmit or receive as effectively as a full-sized antenna
It transmits a circularly polarized signal
If the rubber end cap is lost it will unravel very quickly
All of these choices are correct
T9A05: How would you change a dipole antenna to make it resonant on a higher frequency?
Lengthen it
Insert coils in series with radiating wires
Shorten it
Add capacity hats to the ends of the radiating wires
T9A06: What type of antennas are the quad, Yagi, and dish?
Non-resonant antennas
Loop antennas
Directional antennas
Isotropic antennas
T9A07: What is a good reason not to use a "rubber duck" antenna inside your car?
Signals can be significantly weaker than when it is outside of the vehicle
It might cause your radio to overheat
The SWR might decrease, decreasing the signal strength
All of these choices are correct
T9A08: What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?
112
50
19
12
T9A09: What is the approximate length, in inches, of a 6 meter 1/2-wavelength wire dipole antenna?
6
50
112
236
T9A10: In which direction is the radiation strongest from a half-wave dipole antenna in free space?
Equally in all directions
Off the ends of the antenna
Broadside to the antenna
In the direction of the feedline
T9A11: What is meant by the gain of an antenna?
The additional power that is added to the transmitter power
The additional power that is lost in the antenna when transmitting on a higher frequency
The increase in signal strength in a specified direction when compared to a reference antenna
The increase in impedance on receive or transmit compared to a reference antenna
T9B01: Why is it important to have a low SWR in an antenna system that uses coaxial cable feedline?
To reduce television interference
To allow the efficient transfer of power and reduce losses
To prolong antenna life
All of these choices are correct
T9B02: What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?
8 ohms
50 ohms
600 ohms
12 ohms
T9B03: Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?
It is easy to use and requires few special installation considerations
It has less loss than any other type of feedline
It can handle more power than any other type of feedline
It is less expensive than any other types of feedline
T9B04: What does an antenna tuner do?
It matches the antenna system impedance to the transceiver's output impedance
It helps a receiver automatically tune in weak stations
It allows an antenna to be used on both transmit and receive
It automatically selects the proper antenna for the frequency band being used
T9B05: What generally happens as the frequency of a signal passing through coaxial cable is increased?
The apparent SWR increases
The reflected power increases
The characteristic impedance increases
The loss increases
T9B06: Which of the following connectors is most suitable for frequencies above 400 MHz?
A UHF (PL-259/SO-239) connector
A Type N connector
An RS-213 connector
A DB-23 connector
T9B07: Which of the following is true of PL-259 type coax connectors?
They are good for UHF frequencies
They are water tight
The are commonly used at HF frequencies
They are a bayonet type connector
T9B08: Why should coax connectors exposed to the weather be sealed against water intrusion?
To prevent an increase in feedline loss
To prevent interference to telephones
To keep the jacket from becoming loose
All of these choices are correct
T9B09: What might cause erratic changes in SWR readings?
The transmitter is being modulated
A loose connection in an antenna or a feedline
The transmitter is being over-modulated
Interference from other stations is distorting your signal
T9B10: What electrical difference exists between the smaller RG-58 and larger RG-8 coaxial cables?
There is no significant difference between the two types
RG-58 cable has less loss at a given frequency
RG-8 cable has less loss at a given frequency
RG-58 cable can handle higher power levels
T9B11: Which of the following types of feedline has the lowest loss at VHF and UHF?
50-ohm flexible coax
Multi-conductor unbalanced cable
Air-insulated hard line
75-ohm flexible coax
