79 lines
3.2 KiB
Markdown
79 lines
3.2 KiB
Markdown
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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|
||
|
||
- [[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
|