Thanks, John. As I mentioned to Bill, I was looking at the issue from a different perspective, where tone squelch on receive is often a very good or even necessary thing, though generally not related to amateur communications.
Regards, Forrest
On Jul 22, 2014, at 12:31 PM, John LaMartina JohnLa@usa.net wrote:
Forrest, As described below, not every station/repeater that requires a tone for access will transmit one back. Sending a tone back to you is not required. Reference to this can be found at http://www.miklor.com/COM/UV_CTCSS.php
Setting a channel Tone to TSQL Requires your radio to hear a tone from the other station or your receiver will not open to receive it. Always start with TX tone only.
I hope this helps... John http://www.miklor.com/
-----Original Message----- From: chirp_users-bounces@intrepid.danplanet.com [mailto:chirp_users-bounces@intrepid.danplanet.com] On Behalf Of Forrest Sent: Tuesday, July 22, 2014 12:26 PM To: Discussion of CHIRP Subject: Re: [chirp_users] Settings
Curious why you say that using tone squelch on both TX and RX is not recommended???
THX. Forrest
On Jul 21, 2014, at 6:51 PM, John LaMartina JohnLa@usa.net wrote:
Yes, TSQL sets the CTCSS or DCS tone on both TX and RX. (Not Recommended). Tone sets CTCSS or DCS on TX only. This explains in a bit more detail. http://www.miklor.com/COM/UV_CTCSS.php I hope this helps...
John K3NXU http://www.miklor.com
-----Original Message----- From: chirp_users-bounces@intrepid.danplanet.com [mailto:chirp_users-bounces@intrepid.danplanet.com] On Behalf Of Dave Nathanson Sent: Monday, July 21, 2014 7:22 PM To: Discussion of CHIRP Subject: Re: [chirp_users] Settings
Someone else will hopefully correct me if I'm wrong, (and I didn't look this up) but I believe that in this usage, "Tone" applies when transmitting only. TSQL, or Tone Squelch applies to both transmitting & receiving.
"Tone" is more common. If you use TSQL when you should have used Tone, others will be able to hear you, but you will only be able to hear them if they also use the same tone. To complicate things slightly, many repeaters require a tone to activate them, but many repeaters strip out the tone as the re-transmit. It is often a good idea to start with "tone" and only use TSQL if needed.
Best, Dave Nathanson KG6ZJO
chirp_users mailing list chirp_users@intrepid.danplanet.com http://intrepid.danplanet.com/mailman/listinfo/chirp_users