On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?

1. A60 meters, 30 meters, 17 meters, and 12 meters
2. B160 meters, 60 meters, 15 meters, and 12 meters
3. C80 meters, 40 meters, 20 meters, and 15 meters
4. D80 meters, 20 meters, 15 meters, and 10 meters

Who or what determines "good engineering and good amateur practice," as applied to the operation of an amateur station in all respects not covered by the Part 97 rules?

1. AThe FCC
2. BThe control operator
3. CThe IEEE
4. DThe ITU

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

How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?

1. A30 days
2. B180 days
3. C365 days
4. DFor as long as your current license is valid

What is the maximum PEP output allowed for spread spectrum transmissions?

1. A100 milliwatts
2. B10 watts
3. C100 watts
4. D1500 watts

Which mode is most commonly used for voice communications on the 17- and 12-meter bands?

1. AUpper sideband
2. BLower sideband
3. CSuppressed sideband
4. DDouble sideband

How often may RACES training drills and tests be routinely conducted without special authorization?

1. ANo more than 1 hour per month
2. BNo more than 2 hours per month
3. CNo more than 1 hour per week
4. DNo more than 2 hours per week

When sending CW, what does a "C" mean when added to the RST report?

1. AChirpy or unstable signal
2. BReport was read from an S meter rather than estimated
3. C100 percent copy
4. DKey clicks

Why do many amateurs keep a station log?

1. AThe FCC requires a log of all international contacts
2. BThe FCC requires a log of all international third-party traffic
3. CThe log provides evidence of operation needed to renew a license without retest
4. DTo help with a reply if the FCC requests information about your station

What is VARA?

1. AA low signal-to-noise digital mode used for EME (moonbounce)
2. BA digital protocol used with Winlink
3. CA radio direction finding system used on VHF and UHF
4. DA DX spotting system using a network of software defined radios

How can a geomagnetic storm affect HF propagation?

1. AImprove high-latitude HF propagation
2. BDegrade ground wave propagation
3. CImprove ground wave propagation
4. DDegrade high-latitude HF propagation

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

Why is long-distance communication on the 40-, 60-, 80-, and 160-meter bands more difficult during the day?

1. AThe F region absorbs signals at these frequencies during daylight hours
2. BThe F region is unstable during daylight hours
3. CThe D region absorbs signals at these frequencies during daylight hours
4. DThe E region is unstable during daylight hours

What is the purpose of an antenna tuner?

1. AReduce the SWR in the feed line to the antenna
2. BReduce the power dissipation in the feedline to the antenna
3. CIncrease power transfer from the transmitter to the feed line
4. DAll these choices are correct

Which of the following is the best instrument to use for checking the keying waveform of a CW transmitter?

1. AAn oscilloscope
2. BA field strength meter
3. CA sidetone monitor
4. DA wavemeter

Why should soldered joints not be used in lightning protection ground connections?

1. AA soldered joint will likely be destroyed by the heat of a lightning strike
2. BSolder flux will prevent a low conductivity connection
3. CSolder has too high a dielectric constant to provide adequate lightning protection
4. DAll these choices are correct

How much change in signal strength is typically represented by one S unit?

1. A6 dB
2. B12 dB
3. C15 dB
4. D18 dB

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 is opposition to the flow of alternating current in a capacitor?

1. AConductance
2. BReluctance
3. CReactance
4. DAdmittance

What is the output PEP of an unmodulated carrier if the average power is 1060 watts?

1. A530 watts
2. B1060 watts
3. C1500 watts
4. D2120 watts

What is the inductance of a circuit with a 20-millihenry inductor connected in series with a 50-millihenry inductor?

1. A7 millihenries
2. B14.3 millihenries
3. C70 millihenries
4. D1,000 millihenries

What is the approximate forward threshold voltage of a silicon junction diode?

1. A0.1 volt
2. B0.3 volts
3. C0.7 volts
4. D1.0 volts

Which of the following describes a type N connector?

1. AA moisture-resistant RF connector useful to 10 GHz
2. BA small bayonet connector used for data circuits
3. CA low noise figure VHF connector
4. DA nickel plated version of the PL-259

Which symbol in figure G7-1 represents an NPN junction transistor?

1. ASymbol 1
2. BSymbol 2
3. CSymbol 7
4. DSymbol 11

Which of the following are basic components of a sine wave oscillator?

1. AAn amplifier and a divider
2. BA frequency multiplier and a mixer
3. CA circulator and a filter operating in a feed-forward loop
4. DA filter and an amplifier operating in a feedback loop

Which parameter affects receiver sensitivity?

1. AInput amplifier gain
2. BDemodulator stage bandwidth
3. CInput amplifier noise figure
4. DAll these choices are correct

Which of the following is characteristic of QPSK31?

1. AIt is sideband sensitive
2. BIts encoding provides error correction
3. CIts bandwidth is approximately the same as BPSK31
4. DAll these choices are correct

What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency signal to reach the desired operating frequency?

1. AMixer
2. BReactance modulator
3. CBalanced converter
4. DMultiplier

What is indicated on a waterfall display by one or more vertical lines on either side of a data mode or RTTY signal?

1. ALong path propagation
2. BBackscatter propagation
3. CInsufficient modulation
4. DOvermodulation

What standing wave ratio results from connecting a 50-ohm feed line to a 10-ohm resistive load?

1. A2:1
2. B1:2
3. C1:5
4. D5:1

How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?

1. AIt steadily increases
2. BIt steadily decreases
3. CIt peaks at about 1/8 wavelength from the end
4. DIt is unaffected by the location of the feed point

Which of the following would increase the bandwidth of a Yagi antenna?

1. ALarger-diameter elements
2. BCloser element spacing
3. CLoading coils in series with the element
4. DTapered-diameter elements

What is an advantage of vertically stacking horizontally polarized Yagi antennas?

1. AIt allows quick selection of vertical or horizontal polarization
2. BIt allows simultaneous vertical and horizontal polarization
3. CIt narrows the main lobe in azimuth
4. DIt narrows the main lobe in elevation

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

Which of the following is covered by the National Electrical Code?

1. AAcceptable bandwidth limits
2. BAcceptable modulation limits
3. CElectrical safety of the station
4. DRF exposure limits of the human body