FCC Technician Class Exam Study Guide - 2014-2018/Subelement T8 Group C
Operating activities: radio direction finding; radio control; contests; linking over the Internet; grid locators
The Question Pool
[edit | edit source]Question 1
[edit | edit source]- Which of the following methods is used to locate sources of noise interference or jamming?
- A. Echolocation
- B. Doppler radar
- C. Radio direction finding
- D. Phase locking
The correct answer is C.
Question 2
[edit | edit source]- Which of these items would be useful for a hidden transmitter hunt?
- A. Calibrated SWR meter
- B. A directional antenna
- C. A calibrated noise bridge
- D. All of these choices are correct
The correct answer is B.
Question 3
[edit | edit source]- 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
The correct answer is A.
Question 4
[edit | edit source]- 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
The correct answer is C.
Question 5
[edit | edit source]- 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
The correct answer is A.
Question 6
[edit | edit source]- How is access to an IRLP node accomplished?
- A. By obtaining a password which is sent via voice to the node
- B. By using DTMF signals
- C. By entering the proper Internet password
- D. By using CTCSS tone codes
The correct answer is B.
Question 7
[edit | edit source]- What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
- A. 500 milliwatts
- B. 1 watt
- C. 25 watts
- D. 1500 watts
Reference to 97.215(c). The correct answer is B.
Question 8
[edit | edit source]What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?
- A. Voice identification must be transmitted every 10 minutes
- B. Morse code ID must be sent once per hour
- C. A label indicating the licensee's name, call sign and address must be affixed to the transmitter
- D. A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger
Reference to 97.215(a). The correct answer is C.
Question 9
[edit | edit source]How might you obtain a list of active nodes that use VoIP?
- A. From the FCC Rulebook
- B. From your local emergency coordinator
- C. From a repeater directory
- D. From the local repeater frequency coordinator
The correct answer is C.
Question 10
[edit | edit source]How do you select a specific IRLP node when using a portable transceiver?
- A. Choose a specific CTCSS tone
- B. Choose the correct DSC tone
- C. Access the repeater autopatch
- D. Use the keypad to transmit the IRLP node ID
The correct answer is D.
Question 11
[edit | edit source]What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?
- A. A gateway
- B. A repeater
- C. A digipeater
- D. A beacon
The correct answer is A.
Question 12
[edit | edit source]What is meant by Voice Over Internet Protocol (VoIP) as used in amateur radio?
- A. A set of rules specifying how to identify your station when linked over the Internet to another station
- B. A set of guidelines for working DX during contests using Internet access
- C. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the Internet
- D. A method of delivering voice communications over the Internet using digital techniques
The correct answer is D.
Question 13
[edit | edit source]- What is the Internet Radio Linking Project (IRLP)?
- A. A technique to connect amateur radio systems, such as repeaters, via the Internet using Voice Over Internet Protocol
- B. A system for providing access to websites via amateur radio
- C. A system for informing amateurs in real time of the frequency of active DX stations
- D. A technique for measuring signal strength of an amateur transmitter via the Internet
The correct answer is A.