G9B05
1. How does antenna height affect the azimuthal radiation pattern of a horizontal dipole HF antenna at elevation angles higher than about 45 degrees?
G3B08
2. What does MUF stand for?
G6A06
3. Why should wire-wound resistors not be used in RF circuits?
G0A04
4. What does "time averaging" mean when evaluating RF radiation exposure?
G8B10
5. What is the relationship between transmitted symbol rate and bandwidth?
G7C12
6. What is the frequency above which a low-pass filter's output power is less than half the input power?
G0B10
7. Which of the following is a danger from lead-tin solder?
G1B10
8. What is the power limit for beacon stations?
G5A10
9. Which of the following devices can be used for impedance matching at radio frequencies?
G4B04
10. What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?
G5C02
11. What is the output voltage if an input signal is applied to the secondary winding of a 4:1 voltage step-down transformer instead of the primary winding?
G2A03
12. Which mode is most commonly used for SSB voice communications in the VHF and UHF bands?
G1D08
13. Which of the following criteria must be met for a non-US citizen to be an accredited Volunteer Examiner?
G4E04
14. Why should DC power for a 100-watt HF transceiver not be supplied by a vehicle's auxiliary power socket?
G1E04
15. Which of the following conditions require a licensed amateur radio operator to take specific steps to avoid harmful interference to other users or facilities?
G2D06
16. How is a directional antenna pointed when making a "long-path" contact with another station?
G1C07
17. What must be done before using a new digital protocol on the air?
G9C03
18. How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?
G1A09
19. Which of the following frequencies is within the General class portion of the 15-meter band?
G7B02
20. Which of these classes of amplifiers has the highest efficiency?
G2E12
21. Which of the following describes Winlink?
G2C11
22. What does the Q signal "QRV" mean?
G8A03
23. What is the name of the process that changes the instantaneous frequency of an RF wave to convey information?
G5B07
24. What value of an AC signal produces the same power dissipation in a resistor as a DC voltage of the same value?
G6B11
25. What is an SMA connector?
G8C08
26. Which of the following statements is true about PSK31?
G2B11
27. How often may RACES training drills and tests be routinely conducted without special authorization?
G9A10
28. What standing wave ratio results from connecting a 50-ohm feed line to a 10-ohm resistive load?
G3A10
29. What causes HF propagation conditions to vary periodically in a 26- to 28-day cycle?
G9D10
30. In which direction or directions does an electrically small loop (less than 1/10 wavelength in circumference) have nulls in its radiation pattern?
G4D08
31. What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?
G4C07
32. Why should soldered joints not be used in lightning protection ground connections?
G3C07
33. What makes HF scatter signals often sound distorted?
G7A09
34. Which symbol in figure G7-1 represents a field effect transistor?
G4A11
35. Why should the ALC system be inactive when transmitting AFSK data signals?
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