Practice Exam

G1B02

1. With which of the following conditions must beacon stations comply?

• A. The frequency must be posted on the internet or published in a national periodical
• B. All these choices are correct
• C. The frequency must be coordinated with the National Beacon Organization
• D. No more than one beacon station may transmit in the same band from the same station location

G2C09

2. What does the Q signal "QSL" mean?

• A. Send slower
• B. I have received and understood
• C. We have already confirmed the contact
• D. We have worked before

G3B10

3. What is the approximate maximum distance along the Earth's surface normally covered in one hop using the E region?

• A. 2,500 miles
• B. 12,000 miles
• C. 1,200 miles
• D. 180 miles

G7A02

4. Which of the following components are used in a power supply filter network?

• A. Capacitors and inductors
• B. Diodes
• C. Transformers and transducers
• D. All these choices are correct

G4C05

5. What is a possible cause of high voltages that produce RF burns?

• A. Flat braid rather than round wire has been used for the ground wire
• B. The ground rod is resonant
• C. Insulated wire has been used for the ground wire
• D. The ground wire has high impedance on that frequency

G7B06

6. What is a shift register?

• A. A digital mixer
• B. An analog mixer
• C. An array of operational amplifiers used for tri-state arithmetic operations
• D. A clocked array of circuits that passes data in steps along the array

G6B11

7. What is an SMA connector?

• A. A type of push-on connector intended for high-voltage applications
• B. A connector designed for serial multiple access signals
• C. A type-S to type-M adaptor
• D. A small threaded connector suitable for signals up to several GHz

G1A11

8. When General class licensees are not permitted to use the entire voice portion of a band, which portion of the voice segment is available to them?

• A. The upper frequency portion
• B. The lower frequency portion
• C. The upper frequency portion on frequencies below 7.3 MHz, and the lower portion on frequencies above 14.150 MHz
• D. The lower frequency portion on frequencies below 7.3 MHz, and the upper portion on frequencies above 14.150 MHz

G9B01

9. What is a characteristic of a random-wire HF antenna connected directly to the transmitter?

• A. It is more effective on the lower HF bands than on the higher bands
• B. Station equipment may carry significant RF current
• C. It must be longer than 1 wavelength
• D. It produces only vertically polarized radiation

G9D12

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

• A. Inverted V
• B. Sloper
• C. Lazy H
• D. Inverted L

G3A08

11. How can a geomagnetic storm affect HF propagation?

• A. Degrade ground wave propagation
• B. Degrade high-latitude HF propagation
• C. Improve ground wave propagation
• D. Improve high-latitude HF propagation

G3C01

12. Which ionospheric region is closest to the surface of Earth?

• A. The F1 region
• B. The E region
• C. The D region
• D. The F2 region

G1C07

13. What must be done before using a new digital protocol on the air?

• A. Submit a rule-making proposal to the FCC describing the codes and methods of the technique
• B. Obtain an experimental license from the FCC
• C. Type-certify equipment to FCC standards
• D. Publicly document the technical characteristics of the protocol

G7C09

14. What is the phase difference between the I and Q RF signals that software-defined radio (SDR) equipment uses for modulation and demodulation?

• A. Zero
• B. 90 degrees
• C. 180 degrees
• D. 45 degrees

G5A08

15. What is impedance?

• A. The ratio of current to voltage
• B. The product of current and reactance
• C. The product of current and voltage
• D. The ratio of voltage to current

G5C06

16. What is the voltage output of a transformer with a 500-turn primary and a 1500-turn secondary when 120 VAC is applied to the primary?

• A. 360 volts
• B. 120 volts
• C. 25.5 volts
• D. 40 volts

G6A03

17. What is the approximate forward threshold voltage of a germanium diode?

• A. 0.3 volts
• B. 0.7 volts
• C. 0.1 volt
• D. 1.0 volts

G2A11

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

• A. Only stations in Germany
• B. Any stations outside the lower 48 states
• C. Any caller is welcome to respond
• D. Only contest stations

G9C04

19. How does antenna gain in dBi compare to gain stated in dBd for the same antenna?

• A. Gain in dBd is 1.25 dBd lower
• B. Gain in dBi is 2.15 dB lower
• C. Gain in dBd is 1.25 dBd higher
• D. Gain in dBi is 2.15 dB higher

G2D11

20. Why are signal reports typically exchanged at the beginning of an HF contact?

• A. To be sure the contact will count for award programs
• B. To follow standard radiogram structure
• C. To allow each station to operate according to conditions
• D. To allow each station to calibrate their frequency display

G1D12

21. When operating a station in South America by remote control over the internet from the US, what regulations apply?

• A. Those of the remote station's country and the FCC's third-party regulations
• B. Those of both the remote station's country and the FCC
• C. Only those of the FCC
• D. Only those of the remote station's country

G0A10

22. What should be done if evaluation shows that a neighbor might experience more than the allowable limit of RF exposure from the main lobe of a directional antenna?

• A. All these choices are correct
• B. Take precautions to ensure that the antenna cannot be pointed in their direction when they are present
• C. Use an antenna with a higher front-to-back ratio
• D. Change to a non-polarized antenna with higher gain

G5B07

23. What value of an AC signal produces the same power dissipation in a resistor as a DC voltage of the same value?

• A. The peak value
• B. The reciprocal of the RMS value
• C. The RMS value
• D. The peak-to-peak value

G2B07

24. Which of the following complies with commonly accepted amateur practice when choosing a frequency on which to initiate a call?

• A. Identify your station by transmitting your call sign at least 3 times
• B. Listen on the frequency for at least two minutes to be sure it is clear
• C. Follow the voluntary band plan
• D. All these choices are correct

G2E03

25. What symptoms may result from other signals interfering with a PACTOR or VARA transmission?

• A. Long pauses in message transmission
• B. All these choices are correct
• C. Failure to establish a connection between stations
• D. Frequent retries or timeouts

G4E01

26. What is the purpose of a capacitance hat on a mobile antenna?

• A. To electrically lengthen a physically short antenna
• B. To increase the power handling capacity of a whip antenna
• C. To lower the radiation angle
• D. To reduce radiation resistance

G8C03

27. What part of a packet radio frame contains the routing and handling information?

• A. Preamble
• B. Header
• C. Trailer
• D. Directory

G4D07

28. How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

• A. Approximately 1.5 times
• B. Approximately 2 times
• C. Approximately 4 times
• D. Approximately 8 times

G8A02

29. What is the name of the process that changes the phase angle of an RF signal to convey information?

• A. Phase transformation
• B. Phase modulation
• C. Phase convolution
• D. Phase inversion

G4A13

30. What is the purpose of using a receive attenuator?

• A. To reduce excessive audio level on strong signals
• B. To prevent receiver overload from strong incoming signals
• C. To reduce the transmitter power when driving a linear amplifier
• D. To reduce power consumption when operating from batteries

G9A02

31. What is the relationship between high standing wave ratio (SWR) and transmission line loss?

• A. High SWR increases loss in a lossy transmission line
• B. High SWR makes it difficult to measure transmission line loss
• C. High SWR reduces the relative effect of transmission line loss
• D. There is no relationship between transmission line loss and SWR

G0B11

32. Which of the following is required for lightning protection ground rods?

• A. Lightning grounds must be connected to all ungrounded wiring
• B. They must be bonded to all buried water and gas lines
• C. They must be bonded together with all other grounds
• D. Bends in ground wires must be made as close as possible to a right angle

G1E01

33. Which of the following would disqualify a third party from participating in sending a message via an amateur station?

• A. All these choices are correct
• B. The third party is not a US citizen
• C. The third party's amateur license has been revoked and not reinstated
• D. The third party is speaking in a language other than English

G4B03

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

• A. A sidetone monitor
• B. A field strength meter
• C. A wavemeter
• D. An oscilloscope

G8B10

35. What is the relationship between transmitted symbol rate and bandwidth?

• A. Symbol rate and bandwidth are not related
• B. Higher symbol rates require wider bandwidth
• C. Lower symbol rates require wider bandwidth
• D. Bandwidth is half the symbol rate