Practice Exam

T1A07

1. What is the FCC Part 97 definition of a space station?

• A. An amateur station using amateur radio satellites for relay of signals
• B. A manned satellite orbiting Earth
• C. An amateur station located more than 50 km above Earth's surface
• D. Any satellite orbiting Earth

T9A02

2. Which of the following describes a type of antenna loading?

• A. Electrically lengthening by inserting inductors in radiating elements
• B. Strengthening the radiating elements of a beam antenna to better resist wind damage
• C. Inserting a resistor in the radiating portion of the antenna to make it resonant
• D. Installing a spring in the base of a mobile vertical antenna to make it more flexible

T3B09

3. What frequency range is referred to as UHF?

• A. 300 to 3000 MHz
• B. 30 to 300 MHz
• C. 300 to 3000 kHz
• D. 30 to 300 kHz

T1F04

4. What language may you use for identification when operating in a phone sub-band?

• A. English
• B. English, French, or Spanish
• C. Any language recognized by the United Nations
• D. Any language recognized by the ITU

T4A11

5. Where should the negative power return of a mobile transceiver be connected in a vehicle?

• A. Through the transceiver's mounting bracket
• B. To any metal part of the vehicle
• C. At the antenna mount
• D. At the 12 volt battery chassis ground

T5D11

6. What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

• A. 9 volts
• B. 11 volts
• C. 1 volt
• D. 10 volts

T2A04

7. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "break, break," then say the station's call sign
• B. Say the station's call sign, then identify with your call sign
• C. Say "CQ" three times, then the other station's call sign
• D. Wait for the station to call CQ, then answer

T8B05

8. What is a satellite beacon?

• A. A reflective surface on the satellite
• B. The primary transmit antenna on the satellite
• C. A transmission from a satellite that contains status information
• D. An indicator light that shows where to point your antenna

T8A05

9. Which of the following types of signal has the narrowest bandwidth?

• A. FM voice
• B. SSB voice
• C. CW
• D. Slow-scan TV

T6C10

10. What is component 3 in figure T-3?

• A. Meter
• B. Variable capacitor
• C. Variable inductor
• D. Connector

T1B05

11. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Fixed digital message forwarding systems only
• B. Spread spectrum only
• C. Emergency traffic only
• D. Fast-scan television only

T6D01

12. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Reflector
• B. Rectifier
• C. Amplifier
• D. Transformer

T8D02

13. What is a "talkgroup" on a DMR repeater?

• A. A way for groups of users to share a channel at different times without hearing other users on the channel
• B. A net that meets at a specified time
• C. A group of operators sharing common interests
• D. A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together

T1E11

14. Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

• A. The person operating the station equipment
• B. The third party participant
• C. The station custodian
• D. The station licensee

T3A12

15. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. Deflection
• B. Range increase
• C. Absorption
• D. There is little effect

T6A05

16. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Resistor
• B. Potentiometer
• C. Capacitor
• D. Oscillator

T0A12

17. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the voltmeter has very low impedance
• B. Ensure that the circuit is grounded through the voltmeter
• C. Ensure that the voltmeter and leads are rated for use at the voltages to be measured
• D. Ensure that the voltmeter is set to the correct frequency

T8C01

18. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Radio direction finding
• B. Echolocation
• C. Phase locking
• D. Doppler radar

T7A08

19. Which of the following describes combining speech with an RF carrier signal?

• A. Low-pass filtering
• B. Impedance matching
• C. Oscillation
• D. Modulation

T7C04

20. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. Zero
• B. 1:1
• C. Full Scale
• D. 50:50

T5B13

21. Which is equal to 2425 MHz?

• A. 2.425 GHz
• B. 24.25 GHz
• C. 0.002425 GHz
• D. 2425 GHz

T2B09

22. Why are simplex channels designated in the VHF/UHF band plans?

• A. So stations within range of each other can communicate without tying up a repeater
• B. For working DX only
• C. So stations with simple transmitters can access the repeater without automated offset
• D. For contest operation

T7B01

23. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Talk louder into the microphone
• B. Talk farther away from the microphone
• C. Change to a higher power level
• D. Let the transceiver cool off

T2C05

24. What does the term "traffic" refer to in net operation?

• A. The number of stations checking in and out of a net
• B. Messages exchanged by net stations
• C. Operation by mobile or portable stations
• D. Requests to activate the net by a served agency

T9B07

25. Which of the following is true of PL-259 type coax connectors?

• A. They are commonly used at HF and VHF frequencies
• B. They are watertight
• C. They are preferred for microwave operation
• D. They are a bayonet-type connector

T6B05

26. What type of transistor has a gate, drain, and source?

• A. Bipolar junction
• B. Varistor
• C. Field-effect
• D. Tesla-effect

T0C13

27. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. Anyone who is near an antenna
• B. The local zoning board
• C. The FCC
• D. The station licensee

T7D04

28. Which instrument is used to measure electric current?

• A. An ohmmeter
• B. A voltmeter
• C. An ammeter
• D. An electrometer

T1D09

29. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• B. Never
• C. When such communications are directly related to the immediate safety of human life or protection of property
• D. When broadcasting communications to or from the space shuttle

T1C07

30. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• B. Failure to obtain FCC type acceptance prior to using a home-built transmitter
• C. Failure to provide and maintain a correct email address with the FCC
• D. Failure to have a copy of your license available at your station

T3C04

31. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Sporadic E
• B. D region absorption
• C. Gray-line propagation
• D. Backscatter

T5C06

32. What does the abbreviation "RF" mean?

• A. Radio frequency signals of all types
• B. The resonant frequency of a tuned circuit
• C. Reflective force in antenna transmission lines
• D. The real frequency transmitted as opposed to the apparent frequency

T4B07

33. What does a DMR "code plug" contain?

• A. The DMR software version
• B. The codec for digitizing audio
• C. Access information for repeaters and talkgroups
• D. Your call sign in CW for automatic identification

T5A06

34. What is the unit of frequency?

• A. Henry
• B. Farad
• C. Tesla
• D. Hertz

T0B11

35. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. UL recommended practices
• B. FAA tower lighting regulations
• C. Local electrical codes
• D. FCC Part 97 rules