Is there some word used in scanning that you don't know? Some common scanner word and their meanings are listed here
Astro A type of trunked radio system that is produced by Motorola Corporation that uses digital
modulation, not monitorable on today's scanners
Birdies Interference caused by signals generated by the scanner's microprocessor and other internal electronics being recieved by the scanner.
Citizen's Band- A radio system where no licence is needed to transmit. Citizen's Band is divided into 40 channels where users can talk and hear each other in real time. Uses 26 + 27 MHz see cb.html
Discrimatator:a tap point inside a scanner or any radio that allows
you to receive unfiltered, unamplified audio to be sent to a computer to decipher
EDACS A type of trunked radio system produced by Ericsson Corportaton
Frequency Counter a device that measures the frequency of a near by transmitter.
HAM Radio A radio system where licenced operators talk to each other around the world.
Intermod Interference from a powerful, nearby transmitter causing noises to be heard on other frequencies
Repeater system Low power transcievers transmitting to a high power re-transmitter in order to extend the reach of their transmission.
Rubber Ducky Any short flexable rubber antenna usually come with portable handheld scanners.
Scanist A scanner user
Scan mode A mode where a scanner scans the user pre-set channels
Search mode A mode where a scanner finds active frequencies starting from a user set frequency and moving up or down down that frequency.
Spread Sprectrum The rapid changing of frequencies by a transciever to make it impossable to monitor on a scanner. Commonly used by some high end cordless phones.
Talk GroupsGroups of users of a Trunked Radio system
tone board A feature found is some high end scanners that will isolate one user or group of users on a conventional repeater system
Trunking system A group of frequencies between 850 and 865 MHz used by police forces and other businesses. As a conversation on a trunking system progresses the frequency used changes.
Trunk Tracker A type of scanner made by Uniden that keeps track of a transmission as the frequencies change.
UHF Ultra High Frequency- the frequencies ranging from 300-3000 MHz.
VHF Very High Frequency- the frequencies ranging from 30-300 MHz.
Whip Antenna A type of antenna that is segmented and can be extended to inprove reception.
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