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RFI-EMI-GUY · May 8th 08, 10:03 PM posted to rec.radio.amateur.equipment

wrote:
I'm totally new to amateur radio, so this may seem like a stupid
question. Does the typical 2 meter or UHF repeater repeat DTMF
tones?

ICOM radios have an optional DTMF Decoder to control squelch, and I
was wondering if I could set the frequency to a local repeater and
only hear messages when the correct DTMF signal is sent. That way I
could use repeaters and still have the privacy like subtones, instead
of listening to everything that comes accross the repeater.

But, this cool functionality won't work if repeaters don't repeat
DTMF
sent to them.

Thanks in advance for you help.

It depends on the repeater controller, most will repeat the DTMF tones,
some will regenerate the tones (improving the s/n ratio) and some will
strip the tones out. Still others will repeat the tones if you know the
correct digit(s) to add as a preamble.

--
Joe Leikhim K4SAT
"The RFI-EMI-GUY"©

"Treason doth never prosper: what's the reason?
For if it prosper, none dare call it treason."

"Follow The Money" ;-P