[chirp_devel] Yaesu FTM-10R

af5mi at yahoo.com
Mon Apr 4 07:45:12 PDT 2016


To my ear, sounds like ASK/OOK, maybe about 1200 baud. Might be direct uart to rf.
I'm guessing if you looked at the raw wav/pcm in an audio editor like audacity, you could see the bytes in 0s and 1s, but that might take a while to completely reverse it ;)
If you have one of those rtl-sdr dongles (who doesn't?) then you could use something like rtl_433 (meant for decoding various rf switch/wx station/etc signals), run it in analyze mode and point it to the frequency where this radio does its thing.
-Jens

      From: Angus Ainslie <angus at akkea.ca>
 To: af5mi at yahoo.com 
Cc: chirp_devel at intrepid.danplanet.com
 Sent: Monday, April 4, 2016 7:53 AM
 Subject: Re: [chirp_devel] Yaesu FTM-10R
   
On 2016-04-02 11:14, af5mi at yahoo.com wrote:
> I agree that reverse engineering the ota clone protocol would be half
> the battle.


I managed to capture the tones from a clone of the radio.

https://drive.google.com/file/d/0B12ZogJGIaPOZ3E5SlVjaVJrclE/view?usp=sharing

To me it sounds more like modem tones than DTMF. I'm going to try some 
further analysis later today.

> 
> This actually makes me want to do something for my wife's TH-79A, _if_
> I can ever find that document...
> 

Good luck on finding the document. If there are more radios like this 
maybe there should be some kind of OTA interface for chirp.


   
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