On which of the following bands is phone operation prohibited?

1. A160 meters
2. B30 meters
3. C17 meters
4. D12 meters

Which of the following transmissions is permitted for all amateur stations?

1. AUnidentified transmissions of less than 10 seconds duration for test purposes only
2. BAutomatic retransmission of other amateur signals by any amateur station
3. COccasional retransmission of weather and propagation forecast information from US government stations
4. DEncrypted messages, if not intended to facilitate a criminal act

What is the maximum bandwidth permitted by FCC rules for amateur radio stations transmitting on USB frequencies in the 60-meter band?

1. A2.8 kHz
2. B5.6 kHz
3. C1.8 kHz
4. D3 kHz

What license examinations may you administer as an accredited Volunteer Examiner holding a General class operator license?

1. AGeneral and Technician
2. BNone, only Amateur Extra class licensees may be accredited
3. CTechnician only
4. DAmateur Extra, General, and Technician

The frequency allocations of which ITU region apply to radio amateurs operating in North and South America?

1. ARegion 4
2. BRegion 3
3. CRegion 2
4. DRegion 1

Generally, who should respond to a station in the contiguous 48 states calling "CQ DX"?

1. AAny caller is welcome to respond
2. BOnly stations in Germany
3. CAny stations outside the lower 48 states
4. DOnly contest stations

How can you avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?

1. ASend "QRL?" on CW, followed by your call sign; or, if using phone, ask if the frequency is in use, followed by your call sign
2. BListen for 2 minutes before calling CQ
3. CSend the letter "V" in Morse code several times and listen for a response, or say "test" several times and listen for a response
4. DSend "QSY" on CW or if using phone, announce "the frequency is in use," then give your call sign and listen for a response

What does the Q signal "QRN" mean?

1. ASend more slowly
2. BStop sending
3. CZero beat my signal
4. DI am troubled by static

Which of the following are examples of the NATO Phonetic Alphabet?

1. AAble, Baker, Charlie, Dog
2. BAdam, Boy, Charles, David
3. CAmerica, Boston, Canada, Denmark
4. DAlpha, Bravo, Charlie, Delta

What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?

1. AThe mark and space frequencies may be reversed
2. BYou may have selected the wrong baud rate
3. CYou may be listening on the wrong sideband
4. DAll these choices are correct

Which of the following are the least reliable bands for long-distance communications during periods of low solar activity?

1. A80 meters and 160 meters
2. B60 meters and 40 meters
3. C30 meters and 20 meters
4. D15 meters, 12 meters, and 10 meters

Which frequency will have the least attenuation for long-distance skip propagation?

1. AJust below the MUF
2. BJust above the LUF
3. CJust below the critical frequency
4. DJust above the critical frequency

What makes HF scatter signals often sound distorted?

1. AThe ionospheric region involved is unstable
2. BGround waves are absorbing much of the signal
3. CThe E region is not present
4. DEnergy is scattered into the skip zone through several different paths

What is the purpose of the notch filter found on many HF transceivers?

1. ATo restrict the transmitter voice bandwidth
2. BTo reduce interference from carriers in the receiver passband
3. CTo eliminate receiver interference from impulse noise sources
4. DTo remove interfering splatter generated by signals on adjacent frequencies

What item of test equipment contains horizontal and vertical channel amplifiers?

1. AAn ohmmeter
2. BA signal generator
3. CAn ammeter
4. DAn oscilloscope

What sound is heard from an audio device experiencing RF interference from a single sideband phone transmitter?

1. AA steady hum whenever the transmitter is on the air
2. BOn-and-off humming or clicking
3. CDistorted speech
4. DClearly audible speech

What is the effect of an incorrectly adjusted speech processor?

1. ADistorted speech
2. BExcess intermodulation products
3. CExcessive background noise
4. DAll these choices are correct

What is one disadvantage of using a shortened mobile antenna as opposed to a full-size antenna?

1. AShort antennas are more likely to cause distortion of transmitted signals
2. BQ of the antenna will be very low
3. COperating bandwidth may be very limited
4. DHarmonic radiation may increase

Which of the following devices can be used for impedance matching at radio frequencies?

1. AA transformer
2. BA Pi-network
3. CA length of transmission line
4. DAll these choices are correct

What is the output PEP of 500 volts peak-to-peak across a 50-ohm load?

1. A8.75 watts
2. B625 watts
3. C2500 watts
4. D5000 watts

What is the approximate total resistance of a 100- and a 200-ohm resistor in parallel?

1. A300 ohms
2. B150 ohms
3. C75 ohms
4. D67 ohms

What is the minimum allowable discharge voltage for maximum life of a standard 12-volt lead-acid battery?

1. A6 volts
2. B8.5 volts
3. C10.5 volts
4. D12 volts

What kind of device is an integrated circuit operational amplifier?

1. ADigital
2. BMMIC
3. CProgrammable Logic
4. DAnalog

What is the function of a power supply bleeder resistor?

1. AIt acts as a fuse for excess voltage
2. BIt discharges the filter capacitors when power is removed
3. CIt removes shock hazards from the induction coils
4. DIt eliminates ground loop current

Which of the following describes the function of a two-input AND gate?

1. AOutput is high when either or both inputs are low
2. BOutput is high only when both inputs are high
3. COutput is low when either or both inputs are high
4. DOutput is low only when both inputs are high

Which of these functions is performed by software in a software-defined radio (SDR)?

1. AFiltering
2. BDetection
3. CModulation
4. DAll these choices are correct

What emission is produced by a reactance modulator connected to a transmitter RF amplifier stage?

1. AMultiplex modulation
2. BPhase modulation
3. CAmplitude modulation
4. DPulse modulation

What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?

1. A3 kHz
2. B5 kHz
3. C8 kHz
4. D16 kHz

Which of the following narrow-band digital modes can receive signals with very low signal-to-noise ratios?

1. AMSK144
2. BFT8
3. CAMTOR
4. DMFSK32

What is the effect of transmission line loss on SWR measured at the input to the line?

1. AHigher loss reduces SWR measured at the input to the line
2. BHigher loss increases SWR measured at the input to the line
3. CHigher loss increases the accuracy of SWR measured at the input to the line
4. DTransmission line loss does not affect the SWR measurement

Which of the following is a common way to adjust the feed point impedance of an elevated quarter-wave ground-plane vertical antenna to be approximately 50 ohms?

1. ASlope the radials upward
2. BSlope the radials downward
3. CLengthen the radials beyond one wavelength
4. DCoil the radials

How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?

1. AThe reflector is longer, and the director is shorter
2. BThe reflector is shorter, and the director is longer
3. CThey are all the same length
4. DRelative length depends on the frequency of operation

What is the common name of a dipole with a single central support?

1. AInverted V
2. BInverted L
3. CSloper
4. DLazy H

Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations?

1. APost a copy of FCC Part 97.13 in the station
2. BNotify neighbors within a 100-foot radius of the antenna of the existence of the station and power levels
3. CPerform a routine RF exposure evaluation and prevent access to any identified high exposure areas
4. DAll these choices are correct

Where should lightning arrestors be located?

1. AWhere the feed lines enter the building
2. BOn the antenna, opposite the feed point
3. CIn series with each ground lead
4. DAt the closest power pole ground electrode