T8C-2014: Operating activities: radio direction finding; radio control; contests; linking over the Internet; grid locators
Which of the following methods is used to locate sources of noise interference or jamming?
Radio direction finding
Which of these items would be useful for a hidden transmitter hunt?
A directional antenna
Calibrated SWR meter
A calibrated noise bridge
All of these choices are correct
What popular operating activity involves contacting as many stations as possible during a specified period of time?
Public service events
Simulated emergency exercises
Which of the following is good procedure when contacting another station in a radio contest?
Send only the minimum information needed for proper identification and the contest exchange
Be sure to sign only the last two letters of your call if there is a pileup calling the station
Work the station twice to be sure that you are in his log
All of these choices are correct
What is a grid locator?
A letter-number designator assigned to a geographic location
A letter-number designator assigned to an azimuth and elevation
An instrument for neutralizing a final amplifier
An instrument for radio direction finding
How is access to an IRLP node accomplished?
By using DTMF signals
By obtaining a password which is sent via voice to the node
By entering the proper Internet password
By using CTCSS tone codes
What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?
A label indicating the licensee’s name, call sign and address must be affixed to the transmitter
Voice identification must be transmitted every 10 minutes
Morse code ID must be sent once per hour
A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger
How might you obtain a list of active nodes that use VoIP?
From a repeater directory
From the FCC Rulebook
From your local emergency coordinator
From the local repeater frequency coordinator
How do you select a specific IRLP node when using a portable transceiver?
Use the keypad to transmit the IRLP node ID
Choose a specific CTCSS tone
Choose the correct DSC tone
Access the repeater autopatch
What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?
What is meant by Voice Over Internet Protocol (VoIP) as used in amateur radio?
A method of delivering voice communications over the Internet using digital techniques
A set of rules specifying how to identify your station when linked over the Internet to another station
A set of guidelines for working DX during contests using Internet access
A technique for measuring the modulation quality of a transmitter using remote sites monitored via the Internet
What is the Internet Radio Linking Project (IRLP)?
A technique to connect amateur radio systems, such as repeaters, via the Internet using Voice Over Internet Protocol
A system for providing access to websites via amateur radio
A system for informing amateurs in real time of the frequency of active DX stations
A technique for measuring signal strength of an amateur transmitter via the Internet
● = Unseen
● = Weak
● = Review
● = Learned
● = Incorrect answer