You could decode all tones, selectively leaving out problem tones (co-channel repeater).
See also: http://www.com-spec.com/tp3200.htm for Communications Specialists tone panel Chuck WB2EDV ----- Original Message ----- From: "Kris Kirby" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Saturday, December 04, 2004 3:43 PM Subject: Re: [Repeater-Builder] Re: Requiring CTCSS, etc. > > > On Sat, 4 Dec 2004, Al Wolfe wrote: >> normal tone. With this system any transient could access any "PL100" >> compliant system by transmitting the universal tone of 100 htz. A >> distinctive tail message or other mechanism could be used to discourage >> common usage of the "PL100" system but still allow the sytem to be >> accessed by anyone with a need. Base stations would be dicouraged from >> ever using "PL100". >> >> A couple of diodes and another tone decoder would be all the hardware >> required in most repeater system to implement this idea. > > This is not a new concept; many commercial repeater controllers support > multiple access tones. The watchword, I believe, is "multi-tone panel" or > "community tone panel". CSI's Flex controllers can be used as such. > > http://www.connectsystems.com/ > > -- > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
