T8C – Operating activities: radio direction finding, contests, linking over the internet, exchanging grid locators 

- [[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