[chirp_users] Settings to match Motorola PL tones

Trevor Holyoak trevor at holyoak.com
Wed Jun 8 13:45:33 PDT 2016


I haven't heard of that problem either. And the Baofeng radios are 
extremely common on the repeaters in my area. In fact, the only tone 
problem I've heard of (other than people simply not having it on when 
it's required) is with Yaesu radios using WIRES.

> W Paul Mills <mailto:AC0HY at WPMills.com>
> Wednesday, June 08, 2016 9:30 AM
>
> I have never had this problem with any I have seen. And I have seen 
> dozens.
>
>
> Tom Hayward <mailto:tom at tomh.us>
> Wednesday, June 08, 2016 9:13 AM
>
> I would be more suspicious of the Baofeng being off frequency. I have
> heard reports that Baofengs will not work with the DTMF decoders on
> some repeaters due to transmitting off-frequency DTMF tones. It would
> not surprise me if the CTCSS/PL tone was also off. Motorolas tend to
> have very good CTCSS decoders (meaning they'll reject off-frequency
> tones), so you're likely to see a problem like this surface more when
> using a Motorola than a Baofeng receiver.
>
> Tom KD7LXL
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> W Paul Mills <mailto:AC0HY at WPMills.com>
> Wednesday, June 08, 2016 8:58 AM
>
> Sounds like your tone frequencies do not match. Perhaps the Motorola is
> not really on 67 Hz.
>
> Look here <http://www.miklor.com/uv5r/UV5R-ToneScan.php> for how to scan
>
>
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> Jeffrey <mailto:fongemie at gmail.com>
> Wednesday, June 08, 2016 8:15 AM
> Thanks Rick.
>
> I just tried setting Tone Mode to "Tone" with a tone of 67.0 it the 
> UV5R was able to receive from the Motorola, but the Motorola could not 
> receive from the UV5R.
>
> "*Tone*: A single CTCSS tone is transmitted, receive squelch is open 
> or carrier-triggered. The tone used is that which is set in the *Tone* 
> column.:"
>
> So, if I read this correctly, the Motorola radio transmission is open 
> to everyone? And will filter out everything that does not transmit 
> with the correct tone?
>
> Tone mode as "Tone" should work if I have the correct tone, and the 
> radio is sending it correctly. Right?
>
> Jeff
>
>
>
>
> -- 
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> Jeffrey Fongemie
>
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> Rich Messeder <mailto:rich.messeder at gmail.com>
> Wednesday, June 08, 2016 7:55 AM
> I think this is a good question. I have recently acquired 2 BaoFeng 
> UV-5RTP. I have programmed them "successfully", but not tested the 
> results.
>
> Here is my take on it.
>
> I think that CHIRP allows the user to select TSQL, indicating that the 
> ToneSql value is used for repeater access. It is unfortunate that we 
> all don't use the same terms. I opine that CTCSS is the same thing as 
> PL; one is a generic term and the other a vendor term.
>
> I understand that Tone in CHIRP is used for receive. If you have Tone 
> selected, then the sender must use the agreed tone to open your 
> squelch. For repeaters, I am not sure that all repeaters use tone (PL, 
> CTCSS) on transmit, as they do on receive. A repeater first senses the 
> carrier on the inbound freq, and then look for the PL tone.
>
> My impression is that many radios do not (can not) use PL codes /from/ 
> a repeater that are different from the sending PL tone.
>
> Now to 2 radios.
> The sending unit must send the same tone that the receiving unit is 
> filtering on. So if you are both working simplex, and you both have 
> tone squelch enabled and are using the same PL|CTCSS tones, it should 
> work. I might try that later today or tomorrow if I have the time.
>
> From
> http://chirp.danplanet.com/projects/chirp/wiki/MemoryEditorColumns
> Tone
> This sets the CTCSS tone to be transmitted if the Tone Mode is set to 
> Tone. In Cross mode, it has additional meanings (see description of 
> Cross Mode for more details).
>
> ToneSql
> This sets the CTCSS tone to be transmitted and used for receiver 
> squelch if the Tone Mode is set to TSQL. In Cross mode it has 
> additional meanings (see description of Cross Mode for more details).
>
> I too have used TSQL for many entries, and now wonder if I should be 
> using Tone, because I want to trigger the repeater with a PL tone, but 
> then want the reply no matter what.
>
> ~R~ NE1EE
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