T8D02
1. What is a "talkgroup" on a DMR repeater?
T2C02
2. Which of the following are typical duties of a Net Control Station?
T1A06
3. What is the FCC Part 97 definition of a beacon?
T5A07
4. Why are metals generally good conductors of electricity?
T6B07
5. What causes a light-emitting diode (LED) to emit light?
T0B11
6. Which of the following establishes grounding requirements for an amateur radio tower or antenna?
T2A05
7. How should you respond to a station calling CQ?
T7D10
8. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?
T7A10
9. What device increases the transmitted output power from a transceiver?
T8B04
10. What mode of transmission is commonly used by amateur radio satellites?
T0A04
11. What is the purpose of a fuse in an electrical circuit?
T9A11
12. What is antenna gain?
T7B01
13. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?
T6A04
14. What electrical component stores energy in an electric field?
T0C11
15. What is the definition of duty cycle during the averaging time for RF exposure?
T3C01
16. Why are simplex UHF signals rarely heard beyond their radio horizon?
T8C09
17. Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?
T8A12
18. Which of the following is a disadvantage of FM compared with single sideband?
T7C11
19. What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?
T5C13
20. What is the abbreviation for kilohertz?
T2B13
21. What is the purpose of a squelch function?
T6C08
22. What is component 9 in figure T-2?
T3B07
23. In addition to frequency, which of the following is used to identify amateur radio bands?
T1F06
24. Which of the following self-assigned indicators are acceptable when using a phone transmission?
T1B08
25. How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?
T5D04
26. What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?
T1D04
27. Under what conditions is an amateur station authorized to transmit music using a phone emission?
T3A11
28. Which region of the atmosphere can refract or bend HF and VHF radio waves?
T4A05
29. Where should an RF power meter be installed?
T5B10
30. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?
T1E04
31. What determines the transmitting frequency privileges of an amateur station?
T1C02
32. Who may select a desired call sign under the vanity call sign rules?
T9B03
34. Why is coaxial cable the most common feed line for amateur radio antenna systems?
T4B11
35. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?
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