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/ -- Kris Kirby, KE4AHR <[EMAIL PROTECTED]> TGIFreeBSD IM: 'KrisBSD' "BIG BROTHER IS WATCHING YOU!" - 1984-2004 - 20 yrs of Govt Surveillance This message brought to you by the US Department of Homeland Security 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/
