ARRL day 3.txt

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ARRL day 3.txt
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2014-03-27 13:28:57
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  1. What is a way to enable quick access to a favorite frequency on your transceiver?
    A. Enable the CTCSS tones
    B. Store the frequency in a memory channel
    C. Disable the CTCSS tones
    D. Use the scan mode to select the desired frequency
    B
  2. What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?
    A. It does not transmit or receive as effectively as a full-sized antenna
    B. It transmits a circularly polarized signal
    C. If the rubber end cap is lost it will unravel very quickly
    D. All of these choices are correct
    A
  3. What is a good reason not to use a "rubber duck" antenna inside your car?
    A. Signals can be significantly weaker than when it is outside of the vehicle
    B. It might cause your radio to overheat
    C. The SWR might decrease, decreasing the signal strength
    D. All of these choices are correct
    A
  4. What device increases the low-power output from a handheld transceiver?
    A. A voltage divider
    B. An RF power amplifier
    C. An impedance network
    D. A voltage regulator
    B
  5. Which type of modulation is most commonly used for VHF and UHF voice repeaters?
    A. AM
    B. SSB
    C. PSK
    D. FM
    D
  6. What is the approximate bandwidth of a VHF repeater FM phone signal?
    A. Less than 500 Hz
    B. About 150 kHz
    C. Between 5 and 15 kHz
    D. Between 50 and 125 kHz
    C
  7. What type of modulation is most commonly used for VHF packet radio transmissions?
    A. FM
    B. SSB
    C. AM
    D. Spread Spectrum
    A
  8. Which of the following is true concerning the microphone connectors on amateur transceivers?
    A. All transceivers use the same microphone connector type
    B. Some connectors include push-to-talk and voltages for powering the microphone
    C. All transceivers using the same connector type are wired identically
    D. Un-keyed connectors allow any microphone to be connected
    B
  9. What could be used in place of a regular speaker to help you copy signals in a noisy area?
    A. A video display
    B. A low pass filter
    C. A set of headphones
    D. A boom microphone
    C
  10. Which is a good reason to use a regulated power supply for communications equipment?
    A. It prevents voltage fluctuations from reaching sensitive circuits
    B. A regulated power supply has FCC approval
    C. A fuse or circuit breaker regulates the power
    D. Power consumption is independent of load
    A
  11. Which type of voice modulation is most often used for long-distance or weak signal contacts on the VHF and UHF bands?
    A. FM
    B. AM
    C. SSB
    D. PM
    C
  12. What is the primary advantage of single sideband over FM for voice transmissions?
    A. SSB signals are easier to tune
    B. SSB signals are less susceptible to interference
    C. SSB signals have narrower bandwidth
    D. All of these choices are correct
    C
  13. Which sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications?
    A. Upper sideband
    B. Lower sideband
    C. Suppressed sideband
    D. Inverted sideband
    A
  14. What device takes the output of a low-powered 28 MHz SSB exciter and produces a 222 MHz output signal?
    A. High-pass filter
    B. Low-pass filter
    C. Transverter
    D. Phase converter
    C
  15. Which of the following can be used to enter the operating frequency on a modern transceiver?
    A. The keypad or VFO knob
    B. The CTCSS or DTMF encoder
    C. The Automatic Frequency Control
    D. All of these choices are correct
    A
  16. What is the purpose of the squelch control on a transceiver?
    A. To set the highest level of volume desired
    B. To set the transmitter power level
    C. To adjust the automatic gain control
    D. To mute receiver output noise when no signal is being received
    D
  17. Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal
    A. Tone squelch
    B. Carrier squelch
    C. CTCSS
    D. Modulated carrier
    B
  18. What is the term used to describe an amateur station that is transmitting and receiving on the same frequency?
    A. Full duplex communication
    B. Diplex communication
    C. Simplex communication
    D. Half duplex communication
    C
  19. What must an amateur operator do when making on-air transmissions to test equipment or antennas?
    A. Properly identify the transmitting station
    B. Make test transmissions only after 10:00 p.m. local time
    C. Notify the FCC of the test transmission
    D. State the purpose of the test during the test procedure
    A
  20. Which of the following is true when making a test transmission?
    A. Station identification is not required if the transmission is less than 15 seconds
    B. Station identification is not required if the transmission is less than 1 watt
    C. Station identification is required only if your station can be heard
    D. Station identification is required at least every ten minutes during the test and at the endd
  21. What is the meaning of the procedural signal "CQ"?
    A. Call on the quarter hour
    B. A new antenna is being tested (no station should answer)
    C. Only the called station should transmit
    D. Calling any station
    D
  22. What should you transmit when responding to a call of CQ?
    A. CQ followed by the other station’s call sign
    B. Your call sign followed by the other station’s call sign
    C. The other station’s call sign followed by your call sign
    D. A signal report followed by your call sign
    C
  23. 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 it
    B
  24. What should you do if another operator reports that your station’s 2 meter signals were strong just a moment ago, but now they are weak or distorted?
    A. Change the batteries in your radio to a different type
    B. Turn on the CTCSS tone
    C. Ask the other operator to adjust his squelch control
    D. Try moving a few feet, as random reflections may be causing multi-path distortion
    D
  25. What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?
    A. Flip-flopping
    B. Picket fencing
    C. Frequency shifting
    D. Pulsing
    B
  26. What is the proper course of action if your station’s transmission unintentionally interferes with another station?
    A. Rotate your antenna slightly
    B. Properly identify your transmission and move to a different frequency
    C. Increase power
    D. Change antenna polarization
    B
  27. What is the "Q" signal used to indicate that you are receiving interference from other stations?
    A. QRM
    B. QRN
    C. QTH
    D. QSB
    A
  28. What is the "Q" signal used to indicate that you are changing frequency?
    A. QRU
    B. QSY
    C. QSL
    D. QRZ
    B
  29. What popular operating activity involves contacting as many stations as possible during a specified period of time?
    A. Contesting
    B. Net operations
    C. Public service events
    D. Simulated emergency exercises
    A
  30. Which of the following is good procedure when contacting another station in a radio contest?
    A. Be sure to sign only the last two letters of your call if there is a pileup calling the station
    B. Work the station twice to be sure that you are in his log
    C. Send only the minimum information needed for proper identification and the contest exchange
    D. All of these choices are correct
    C
  31. What is a grid locator?
    A. A letter-number designator assigned to a geographic location
    B. A letter-number designator assigned to an azimuth and elevation
    C. An instrument for neutralizing a final amplifier
    D. An instrument for radio direction finding
    A
  32. Why are UHF signals often more effective from inside buildings than VHF signals?
    A. VHF signals lose power faster over distance
    B. The shorter wavelength allows them to more easily penetrate the structure of buildings
    C. This is incorrect; VHF works better than UHF inside buildings
    D. UHF antennas are more efficient than VHF antennas
    B
  33. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?
    A. Beacon station
    B. Earth station
    C. Repeater station
    D. Message forwarding station
    C
  34. When is an amateur station authorized to automatically retransmit the radio signals of other amateur stations?
    A. When the signals are from an auxiliary, beacon, or Earth station
    B. When the signals are from an auxiliary, repeater, or space station
    C. When the signals are from a beacon, repeater, or space station
    D. When the signals are from an Earth, repeater, or space station
    B
  35. Which of the following describes the common meaning of the term “repeater offset”?
    A. The distance between the repeater’s transmit and receive antennas
    B. The time delay before the repeater timer resets
    C. The difference between the repeater’s transmit and receive frequencies
    D. The maximum frequency deviation permitted on the repeater’s input signal
    C
  36. What is the most common repeater frequency offset in the 2 meter band?
    A. plus 500 kHz
    B. plus or minus 600 kHz
    C. minus 500 kHz
    D. Only plus 600 kHz
    B
  37. What is a common repeater frequency offset in the 70 cm band?
    A. Plus or minus 5 MHz
    B. Plus or minus 600 kHz
    C. Minus 600 kHz
    D. Plus 600 kHz
    A
  38. Which of the following common problems might cause you to be able to hear but not access a repeater even when transmitting with the proper offset?
    A. The repeater receiver requires audio tone burst for access
    B. The repeater receiver requires a CTCSS tone for access
    C. The repeater receiver may require a DCS tone sequence for access
    D. All of these choices are correct
    D
  39. What is the term used to describe the use of a sub-audible tone transmitted with normal voice audio to open the squelch of a receiver?
    A. Carrier squelch
    B. Tone burst
    C. DTMF
    D. CTCSS
    D
  40. What brief statement is often used in place of "CQ" to indicate that you are listening on a repeater?
    A. Say "Hello test" followed by your call sign
    B. Say your call sign
    C. Say the repeater call sign followed by your call sign
    D. Say the letters "QSY" followed by your call sign
    B
  41. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?
    A. Frequency Spectrum Manager
    B. Frequency Coordinator
    C. FCC Regional Field Office
    D. International Telecommunications Union
    B
  42. Who selects a Frequency Coordinator?
    A. The FCC Office of Spectrum Management and Coordination Policy
    B. The local chapter of the Office of National Council of Independent Frequency Coordinators
    C. Amateur operators in a local or regional area whose stations are eligible to be auxiliary or repeater stations
    D. FCC Regional Field Office
    C
  43. Which of the following stations transmits signals over the air from a remote receive site to a repeater for retransmission?
    A. Beacon station
    B. Relay station
    C. Auxiliary station
    D. Message forwarding station
    C
  44. What method of call sign identification is required for a station transmitting phone signals?
    A. Send the call sign followed by the indicator RPT
    B. Send the call sign using CW or phone emission
    C. Send the call sign followed by the indicator R
    D. Send the call sign using only phone emission ~~
    B

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