Mack the problem is that Kenwood sends FSK up-side-down by design.
You need to reverse the leads on the transistor keying circuit.
Here is a link that will explain it better than I can.
http://www.w5bbr.com/pttfsk.html
Good Luck
Joe K0BX
Mack Johnson, AK4I wrote:
> Can I use the Kenwood TS930 and MMTTY with the 930 wired for FSK? I am a
> bit confused since when I xmt using a dummy load, say on 14.090, a separate
> receiver set for LSB and running a separate copy of MMTTY on a laptop will
> not decode unless I change the receiver to receive USB. Decode then occurs
> at about 14.088. The 930 MMTTY software is setup according to info from
> AA5AU RTTY site and using the simple transistor interface. I am new to
> using FSK and RTTY in general but want to use my old TS930 for RTTY only.
> In FSK the 930 receives and decodes great and I can use my filters, etc. I
> am sure I am missing something real simple. Any help is surely appreciated.
> Mack AK4I
>
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