No, Larry asked the question and said nothing about being programmable. See below.
Chuck WB2EDV ----- Original Message ----- From: "MCH" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Monday, August 27, 2007 6:30 PM Subject: Re: [Repeater-Builder] Re: subaudibe tones.. > But it was not programmable (which John specified). > > My TR-7400 (introduced in 1976) has a tone squelch option (again not > programmable). > > I'm sure CTCSS 'first use' in the ham world dates back into the 60s. > > Joe M. > >> >> > Does anyone know when subaudabe tones were introduced into ham radio >> >> > repeaters.. or more specifically when they became standard in ham >> >> radio >> >> > sets? >> >> > Larry ve3fxq >> >> >
