<html><head></head><body><div style="color:#000; background-color:#fff; font-family:lucida console, sans-serif;font-size:16px"><div id="yui_3_16_0_ym18_1_1459780708785_7811">To my ear, sounds like ASK/OOK, maybe about 1200 baud. Might be direct uart to rf.</div><div id="yui_3_16_0_ym18_1_1459780708785_7811"><br></div><div id="yui_3_16_0_ym18_1_1459780708785_7811">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 ;)</div><div id="yui_3_16_0_ym18_1_1459780708785_7811"><br></div><div id="yui_3_16_0_ym18_1_1459780708785_7811">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.</div><div id="yui_3_16_0_ym18_1_1459780708785_7811"><br></div><div id="yui_3_16_0_ym18_1_1459780708785_7811">-Jens</div><div class="qtdSeparateBR" id="yui_3_16_0_ym18_1_1459780708785_7942"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym18_1_1459780708785_7964" style="display: block;"> <div style="font-family: lucida console, sans-serif; font-size: 16px;" id="yui_3_16_0_ym18_1_1459780708785_7963"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym18_1_1459780708785_7962"> <div dir="ltr" id="yui_3_16_0_ym18_1_1459780708785_7961"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Angus Ainslie <angus@akkea.ca><br> <b><span style="font-weight: bold;">To:</span></b> af5mi@yahoo.com <br><b><span style="font-weight: bold;">Cc:</span></b> chirp_devel@intrepid.danplanet.com<br> <b><span style="font-weight: bold;">Sent:</span></b> Monday, April 4, 2016 7:53 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [chirp_devel] Yaesu FTM-10R<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym18_1_1459780708785_7965"><br>On 2016-04-02 11:14, <a shape="rect" ymailto="mailto:af5mi@yahoo.com" href="mailto:af5mi@yahoo.com">af5mi@yahoo.com</a> wrote:<br clear="none">> I agree that reverse engineering the ota clone protocol would be half<br clear="none">> the battle.<br clear="none"><br clear="none"><br clear="none">I managed to capture the tones from a clone of the radio.<br clear="none"><br clear="none"><a shape="rect" href="https://drive.google.com/file/d/0B12ZogJGIaPOZ3E5SlVjaVJrclE/view?usp=sharing" target="_blank" id="yui_3_16_0_ym18_1_1459780708785_7966">https://drive.google.com/file/d/0B12ZogJGIaPOZ3E5SlVjaVJrclE/view?usp=sharing</a><br clear="none"><br clear="none">To me it sounds more like modem tones than DTMF. I'm going to try some <br clear="none">further analysis later today.<div class="yqt3197315270" id="yqtfd68919"><br clear="none"><br clear="none">> <br clear="none">> This actually makes me want to do something for my wife's TH-79A, _if_<br clear="none">> I can ever find that document...</div><br clear="none">> <br clear="none"><br clear="none">Good luck on finding the document. If there are more radios like this <br clear="none">maybe there should be some kind of OTA interface for chirp.<div class="yqt3197315270" id="yqtfd50123"><br clear="none"></div><br><br></div> </div> </div> </div></div></body></html>