[chirp_users] Settings

Forrest
Tue Jul 22 12:14:01 PDT 2014


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 at 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 at intrepid.danplanet.com [mailto:chirp_users-bounces at 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 at 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 at intrepid.danplanet.com 
>> [mailto:chirp_users-bounces at 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
>> 
>> 
>> 
>> 
> 
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