Understanding CTCSS and DCS
Автор: Rohde & Schwarz
Загружено: 2020-08-27
Просмотров: 86435
Описание:
This video explains the basic technical principles behind CTCSS (continuous tone coded squelch system) and DCS (digitally coded squelch) as well as how they are used in analog radio systems.
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Index
00:15 About squelch
1:45 User squelch and talk groups
2:10 Squelch and repeaters
3:35 CTCSS (continuous tone coded squelch system)
4:21 CTCSS tones
4:57 DCS (digitally coded squelch)
5:42 DCS codeword example
6:03 Standard DCS codes
6:48 Polarity inversion
7:20 Turn off code
8:10 Summary
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