E0A08: What does SAR measure?

Synthetic Aperture Ratio of the human body

Signal Amplification Rating

The rate of RF energy reflected from stationary terrain

E1A03: With your transceiver displaying the carrier frequency of phone signals, you hear a DX station's CQ on 14.349 MHz USB. Is it legal to return the call using upper sideband on the same frequency?

Yes, because the DX station initiated the contact

Yes, because the displayed frequency is within the 20 meter band

No, USA stations are not permitted to use phone emissions above 14.340 MHz

E1B02: Which of the following factors might cause the physical location of an amateur station apparatus or antenna structure to be restricted?

The location is near an area of political conflict

The location is of geographical or horticultural importance

The location is in an ITU zone designated for coordination with one or more foreign governments

E1C04: When may an automatically controlled station retransmit third party communications?

Never

When specifically agreed upon by the sending and receiving stations

When approved by the National Telecommunication and Information Administration

E1D11: Which amateur stations are eligible to operate as Earth stations?

Any amateur station whose licensee has filed a pre-space notification with the FCC's International Bureau

Only those of General, Advanced or Amateur Extra Class operators

Only those of Amateur Extra Class operators

E1E13: What are the consequences of failing to appear for re-administration of an examination when so directed by the FCC?

The person may be fined or imprisoned

The licensee is disqualified from any future examination for an amateur operator license grant

All these choices are correct

E1F10: What is the maximum transmitter power for an amateur station transmitting spread spectrum communications?

1 W

1.5 W

1.5 kW

E2A07: Which of the following types of signals can be relayed through a linear transponder?

FM and CW

SSB and SSTV

PSK and Packet

E2B05: Which of the following is an advantage of using vestigial sideband for standard fast- scan TV transmissions?

The vestigial sideband carries the audio information

The vestigial sideband contains chroma information

Vestigial sideband provides high frequency emphasis to sharpen the picture

E2C11: How should you generally identify your station when attempting to contact a DX station working a pileup or in a contest?

Send only the last two letters of your call sign until you make contact

Send your full call sign and grid square

Send the call sign of the DX station three times, the words this is, then your call sign three times

E2D06: Which of the following is a commonly used 2-meter APRS frequency?

144.20 MHz

145.02 MHz

146.52 MHz

E2E02: What do the letters FEC mean as they relate to digital operation?

First Error Correction

Fatal Error Correction

Final Error Correction

E3A08: When a meteor strikes the Earth's atmosphere, a cylindrical region of free electrons is formed at what layer of the ionosphere?

The F1 layer

The F2 layer

The D layer

E3B03: What is the best time of day for transequatorial propagation?

Morning

Noon

Late at night

E3C12: How does the maximum distance of ground-wave propagation change when the signal frequency is increased?

It stays the same

It increases

It peaks at roughly 14 MHz

E4A10: Which of the following tests establishes that a silicon NPN junction transistor is biased on?

Measure base-to-emitter resistance with an ohmmeter; it should be approximately

Measure base-to-emitter resistance with an ohmmeter; it should be approximately 0.6 to 0.7 ohms

Measure base-to-emitter voltage with a voltmeter; it should be approximately

E4B04: If a frequency counter with a specified accuracy of +/- 0.1 ppm reads 146,520,000 Hz, what is the most the actual frequency being measured could differ from the reading?

0.1 MHz

1.4652 Hz

1.4652 kHz

E4C13: How does a narrow-band roofing filter affect receiver performance?

It improves sensitivity by reducing front end noise

It improves intelligibility by using low Q circuitry to reduce ringing

All of these choices are correct

E4D04: Which of the following may reduce or eliminate intermodulation interference in a repeater caused by another transmitter operating in close proximity?

A band-pass filter in the feed line between the transmitter and receiver

A Class C final amplifier

A Class D final amplifier

E4E02: Which of the following types of receiver noise can often be reduced with a DSP noise filter?

Broadband white noise

Ignition noise

Power line noise

E5A11: What is the half-power bandwidth of a parallel resonant circuit that has a resonant frequency of 7.1 MHz and a Q of 150?

157.8 Hz

315.6 Hz

23.67 kHz

E5B04: What is the time constant of a circuit having two 220-microfarad capacitors and two 1-megohm resistors, all in parallel?

55 seconds

110 seconds

440 seconds

E5C15: In polar coordinates, what is the impedance of a circuit of 100 -j100 ohms impedance?

100 ohms at an angle of 45 degrees

100 ohms at an angle of -45 degrees

141 ohms at an angle of 45 degrees

E5D05: Which of the following creates a magnetic field?

Potential differences between two points in space

A charged capacitor

A battery

E6A16: What are the majority charge carriers in N-type semiconductor material?

Holes

Free protons

Free neutrons

E6B02: What is an important characteristic of a Schottky diode as compared to an ordinary silicon diode when used as a power supply rectifier?

Much higher reverse voltage breakdown

Controlled reverse avalanche voltage

Enhanced carrier retention time

E6C13: Which of the following is an advantage of BiCMOS logic?

Its simplicity results in much less expensive devices than standard CMOS

It is totally immune to electrostatic damage

All of these choices are correct

E6D11: How many turns will be required to produce a 1-mH inductor using a ferrite toroidal core that has an inductance index (A L) value of 523 millihenrys/1000 turns?

2 turns

4 turns

229 turns

E6E08: How is power-supply voltage normally furnished to the most common type of monolithic microwave integrated circuit (MMIC)?

MMICs require no operating bias

Through a capacitor and RF choke connected to the amplifier input lead

Directly to the bias-voltage (VCC IN) lead

E6F01: What is photoconductivity?

The conversion of photon energy to electromotive energy

The conversion of electromotive energy to photon energy

The decreased conductivity of an illuminated semiconductor

E7A02: How many output level changes are obtained for every two trigger pulses applied to the input of a T flip-flop circuit?

None

One

Four

E7B21: Which of the following devices is generally best suited for UHF or microwave power amplifier applications?

Nuvistor

Silicon controlled rectifier

Triac

E7C07: What kind of filter would you use to attenuate an interfering carrier signal while receiving an SSB transmission?

A band-pass filter

A Pi-network filter

An all-pass filter

E7D06: What is the purpose of Q1 in the circuit shown in Figure E7-3?

It provides negative feedback to improve regulation

It provides a constant load for the voltage source

It provides D1 with current

E7E03: How does an analog phase modulator function?

By varying the tuning of a microphone preamplifier to produce PM signals

By varying the tuning of an amplifier tank circuit to produce AM signals

By varying the tuning of a microphone preamplifier to produce AM signals

E7F07: What determines the accuracy of a frequency counter?

The speed of the logic devices used

Accuracy of the AC input frequency to the power supply

Proper balancing of the mixer diodes

E7G13: What is meant by the term op-amp input-offset voltage?

The output voltage of the op-amp minus its input voltage

The differential input voltage needed to bring the open-loop output voltage to zero

The potential between the amplifier input terminals of the op-amp in an open-loop condition

E7H04: How is positive feedback supplied in a Colpitts oscillator?

Through a tapped coil

Through link coupling

Through a neutralizing capacitor

E8A03: What type of wave is made up of sine waves of a given fundamental frequency plus all its harmonics?

A square wave

A sine wave

A cosine wave

E8B10: Which of these methods can be used to combine several separate analog information streams into a single analog radio frequency signal?

Frequency shift keying

A diversity combiner

Pulse compression

E8C03: What is one advantage of using the ASCII code for data communications?

It includes built-in error-correction features

It contains fewer information bits per character than any other code

It uses one character as a shift code to send numeric and special characters

E8D06: What is the advantage of using a peak-reading wattmeter to monitor the output of a SSB phone transmitter?

It is easier to determine the correct tuning of the output circuit

It makes it easier to detect high SWR on the feed line

It can determine if any flat-topping is present during modulation peaks

E9A06: What is included in the total resistance of an antenna system?

Radiation resistance plus space impedance

Radiation resistance plus transmission resistance

Transmission-line resistance plus radiation resistance

E9B08: How can the approximate beamwidth in a given plane of a directional antenna be determined?

Measure the ratio of the signal strengths of the radiated power lobes from the front and rear of the antenna

Draw two imaginary lines through the ends of the elements and measure the angle between the lines

Measure the ratio of the signal strengths of the radiated power lobes from the front and side of the antenna

E9C04: Which of the following describes a basic unterminated rhombic antenna?

Unidirectional; four-sides, each side one quarter-wavelength long; terminated in a resistance equal to its characteristic impedance

Four-sides; an LC network at each corner except for the transmission connection;

Four-sides, each of a different physical length

E9D14: Which of the following types of conductor would be best for minimizing losses in a station's RF ground system?

A resistive wire, such as a spark plug wire

A cable with 6 or 7 18-gauge conductors in parallel

A single 12 or 10-gauge stainless steel wire

E9E01: What system matches a high-impedance transmission line to a lower impedance antenna by connecting the line to the driven element in two places spaced a fraction of a wavelength each side of element center?

The gamma matching system

The omega matching system

The stub matching system

E9F04: What is the typical velocity factor for a coaxial cable with solid polyethylene dielectric?

2.70

0.30

0.10

E9G01: Which of the following can be calculated using a Smith chart?

Radiation resistance

Antenna radiation pattern

Radio propagation

E9H01: What is the effective radiated power relative to a dipole of a repeater station with 150 watts transmitter power output, 2-dB feed line loss, 2.2-dB duplexer loss and 7-dBd antenna gain?

1977 watts

78.7 watts

420 watts