Ok, I know all the usual reasons for using input tones on a repeater,
but I have more of a theoretical performance question. Again, I'm
putting together a portable VHF repeater out of a pair of Icom mobiles
(IC-F121) for search-and-rescue use. Since it's for temporary,
emergency use, my primary
At 2/23/2007 07:05, you wrote:
Ok, I know all the usual reasons for using input tones on a repeater,
but I have more of a theoretical performance question. Again, I'm
putting together a portable VHF repeater out of a pair of Icom mobiles
(IC-F121) for search-and-rescue use. Since it's for
will probably get
reliable operation down into the noise with the tone detector only
controlling your repeater.
73 - Jim W5ZIT
-Original Message-
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Fri, 23 Feb 2007 8:05 AM
Subject: [Repeater-Builder] Tone squelch vs. carrier
On 2/23/07, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Generally speaking, CTCSS squelch is slightly more sensitive than
noise-activated carrier squelch. However, either one, when properly
There is one other minor factor in this... user radios... some aren't
set to output a reasonable CTCSS
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