Keith, I have been on unix for the last 30 years, and fought with
cocoModem for about 3 months, and finally came to the conclusion that it
is not ready for prime time. I would get it working for several weeks,
then it would quit.. I never got it to talk to my logging program even
with applescript, finally I moved to fldigi with logging and rig control
coming from rumlogNG and have never looked back... This gives more modes
than cocoModem supports..
I use both a signalink, and a small 7 dollar usb sound card depending on
my location (home/portable). I could use the existing soundcard in the
mac, but just havn't build up a cable for that to work yet..
As others have said, you are only concerned about your tone spacing, not
the exact tones, the other end only sees space and mark tones..
feel free to contact me direct if you want to talk about the issues I had..
fwiw... regards.. Fred
Fred Moore
email: f...@fmeco.com
f...@safes.com
phone: 321-217-8699
On 3/28/17 8:04 PM, Keith Onishi wrote:
> I have been trying to set up for RTTY operation with KX3 + iMic + cocoaModem
> on Macbook Pro, but not successful.
> Mode selection on KX3 is AFSK A and cocoaModem setup is matched to the KX3
> setting.
> RTTY signal received by KX3 appears not around 2125Hz but around 900Hz. So, I
> set cocoaModem’s mark frequency to 915Hz. With that setting, decoded text
> appears on the screen. KX3 VFO is properly tuned to the signal, of course.
> When FSK D on KX3, all is same. RTTY signal appears around 900Hz as well.
>
> I found this had been discussed several years ago in the ML, but no change in
> KX3 specification since then.
> I would like to know if this mark frequency is OK in QSO with other RTTY
> station.
>
> 73 de JH3SIF, Keith
>
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