The VFO cycling is the result of setting split mode. Set WSJT-X does Set VFOB,
set freq/mode, Set VFOA, set freq/mode on every transmission to ensure things
are as expected.
If you want to try FLRig for rig control it behaves a bit better. WSJT-X can
work with FLRig though wait for WSJT-X 1.9.2 before using FLRig/WSJT-X with
Kenwoods...there's a patch to fix rig split behavior there.
de Mike W9MDB
On Saturday, July 21, 2018, 7:57:41 AM CDT, Rick <n...@triad.rr.com> wrote:
Good morning all,
I've noticed the last few days some odd signal artifacts on FT8
operations above 1500 Hz, in that I will see a series of equally-spaced,
low level, narrow pulses that descends approximately 500 Hz, then
observe a proper FT8 transmission.
So, I looked at my transceiver and saw that when going into transmit,
the software would command VFO-B, VFO-A, VFO-B, then start the audio. I
have the rig set for Split, and had Tx delay set to 0.1 seconds.
To play it safe, I increased Tx delay to 0.2 seconds, and confirm the
VFO is settled on VFO-B before I hear the transmit sequence start.
I'm not sure why the VFO cycling is occurring, nor does it bother me.
I'm not sure how each radio changes frequency, and whether any radios
sweep as indicated above. It might be worthwhile to point out this
potential issue, and recommend increasing Tx delay until you are sure
the VFO is stable before the tone sequence starts.
Thanks and 73,
Rick
NM3G
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