T9B09
1. What can cause erratic changes in SWR?
T1A08
3. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?
T6A07
4. What electrical component is typically constructed as a coil of wire?
T3C02
5. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?
T8A05
6. Which of the following types of signal has the narrowest bandwidth?
T1E01
7. When may an amateur station transmit without a control operator?
T7B06
8. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?
T3B11
9. What is the approximate velocity of a radio wave in free space?
T2C10
10. What information is contained in the preamble of a formal traffic message?
T7A10
11. What device increases the transmitted output power from a transceiver?
T7D09
12. What is the characteristic appearance of a cold tin-lead solder joint?
T0C04
13. What factors affect the RF exposure of people near an amateur station antenna?
T1F01
14. When must the station and its records be available for FCC inspection?
T5D08
15. What is the current through a 100-ohm resistor connected across 200 volts?
T1C02
16. Who may select a desired call sign under the vanity call sign rules?
T1B03
17. Which frequency is in the 6 meter amateur band?
T9A05
18. Which of the following increases the resonant frequency of a dipole antenna?
T4A05
19. Where should an RF power meter be installed?
T8B04
20. What mode of transmission is commonly used by amateur radio satellites?
T6D10
21. What is the function of component 2 in figure T-1?
T5A06
22. What is the unit of frequency?
T5B08
23. Which is equal to 1,000,000 picofarads?
T4B03
24. How is squelch adjusted so that a weak FM signal can be heard?
T6B02
25. What electronic component allows current to flow in only one direction?
T3A08
26. What is a likely cause of irregular fading of signals propagated by the ionosphere?
T0B11
27. Which of the following establishes grounding requirements for an amateur radio tower or antenna?
T8D05
28. Which of the following is an application of APRS?
T8C08
29. What is the Internet Radio Linking Project (IRLP)?
T2B01
30. How is a VHF/UHF transceiver's "reverse" function used?
T1D11
31. When may an amateur station transmit without identifying on the air?
T7C11
32. What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?
T0A01
33. Which of the following is a safety hazard of a 12-volt storage battery?
T6C12
34. Which of the following is accurately represented in electrical schematics?
T2A11
35. What term describes an amateur station that is transmitting and receiving on the same frequency?
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