Good question. I don't know the answer, but I'd like to. Dick
----- Original Message ----- From: DCFluX To: [email protected] Sent: 24 April, 2006 16:55 Subject: Re: [Repeater-Builder] telco and ctcss tones Here is an age old question that has yet to be answered satisfactorly. What are the CTCSS frequencies derived from? Meaning why are they what they are? Like 123.0, 127.3, Why not 120, 125, 130 ETC? On 4/24/06, Dick <[EMAIL PROTECTED]> wrote: > Ultimately, all the tonme signaling formats were published in the old > ITT Handbook for Radio Engineers. > > Dick 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/

