<div dir="ltr">That's interesting, Brian. Can't duplicate that here! Must look into this a bit more...<br><br><div class="gmail_quote"><div dir="ltr">On Wed, Aug 22, 2018 at 8:16 PM Brian D <<a href="mailto:groups@planet3.freeuk.co.uk">groups@planet3.freeuk.co.uk</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">That's odd, I've been successfully using PowerSDR mRX and N1MM for years<br>
controlling my anan100D and latterly ANAN8000dle for CW contesting without<br>
noticing any problem with sidetone using virtual serial ports, keying using<br>
DTR. No problems with latency since CW has been generated in the FPGA code.<br>
<br>
<br>
Scott Traurig <<a href="mailto:scott.traurig@gmail.com" target="_blank">scott.traurig@gmail.com</a>> wrote:<br>
<br>
> When CW is generated by PowerSDR mRX there is no sidetone available by any<br>
> means, not from the radio hardware or VAC. It was removed many years ago<br>
> because the original implementation had terrible latency. IMHO this is<br>
> fixable, but there's been little developer interest in this area.<br>
> <br>
> You would have to use an external receiver or some other obscure method.<br>
> <br>
> One obscure method would be to loop the serial connection between N1MM and<br>
> PowerSDR out and back in actual, hardware, serial ports. Then pick off the<br>
> RTS or DTR lines and have them key a tone generator.<br>
> <br>
<br>
<br>
-- <br>
Brian D<br>
G3VGZ Yarm England<br>
</blockquote></div></div>