3.2 KiB
T8C – Operating activities: radio direction finding, contests, linking over the internet, exchanging grid locators
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T8C01 (C) Which of the following methods is used to locate sources of noise interference or jamming? #card
- A. Echolocation
- B. Doppler radar
- C. Radio direction finding
- D. Phase locking
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T8C02 (B) Which of these items would be useful for a hidden transmitter hunt? #card
- A. Calibrated SWR meter
- B. A directional antenna
- C. A calibrated noise bridge
- D. All these choices are correct
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T8C03 (D) What operating activity involves contacting as many stations as possible during a specified period? #card
- A. Simulated emergency exercises
- B. Net operations
- C. Public service events
- D. Contesting
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T8C04 (C) Which of the following is good procedure when contacting another station in a contest? #card
- A. Sign only the last two letters of your call if there are many other stations calling
- B. Contact 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 these choices are correct
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T8C05 (A) What is a grid locator? #card
- 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
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T8C06 (B) How is over the air access to IRLP nodes accomplished? #card
- A. By obtaining a password that 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
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T8C07 (D) What is Voice Over Internet Protocol (VoIP)? #card
- A. A set of rules specifying how to identify your station when linked over the internet to another station
- B. A technique employed to “spot” DX stations via the internet
- 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
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T8C08 (A) What is the Internet Radio Linking Project (IRLP)? #card
- A. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
- 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
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T8C09 (D) Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission? #card
- A. IRLP
- B. D-STAR
- C. DMR
- D. EchoLink
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T8C10 (C) What is required before using the EchoLink system? #card
- A. Complete the required EchoLink training
- B. Purchase a license to use the EchoLink software
- C. Register your call sign and provide proof of license
- D. All these choices are correct
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T8C11 (A) What is an amateur radio station that connects other amateur stations to the internet? #card
- A. A gateway
- B. A repeater
- C. A digipeater
- D. A beacon