Simon
Fair enough. I'm trying to use your program to ease some on the
kinderkrankheiten of the K3 software. I've been trying to find a way to
use the Dual PB filter for RTTY. I have tried three approaches:
1. Mode: Data, Data Mode: A
You can transmit anywhere in the waterfall. Invoking Dual PB results in
no receive signal - waterfall goes blank.
2. Mode rev Data, Data Mode: AFSK
There is a strange Line In INPUT filter centered at 1000Hz. If you set
the PITCH to 915 in the K3 and your digital software, you can get a
signal out UNTIL you invoke Dual PB, then no RF out (although you have
receive!).
BTW - Both modes are fragile. If you leave CWT on from a previous CW
mode they also doesn't produce RF. I have seen very inconsistent results
which I think are due to unexpected interactions like this.
3. Data Mode: FSK
Dual PB works on receive and on send with KY command. Appears to be robust.
Since I use a laptop with my rig I have no parallel or RS232 port lines
to trigger FSK, hence my request for a RTTY keyboard capability as the
only way I see to use Dual PB.
Bob
KD8CGH
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