Just went through the setup for WSPR on 160M - 6M for my station, K3S,
KAT500, etc. I have the KAT500 in MAN mode and it switches bands
correctly. I didn't see any issues at 5 watts transmit.
Why is it re-tuning? Are you operating the KAT500 in the AUTO mode?
Just go through each band using the TUNE mode on the K3S and with the
antenna of choice and allow the KAT500 to resolve a match for the
specific WSPR frequency. Then operate the KAT500 in MAN mode.
Performs as it should for me.
73
Bob, K4TAX
On 12/13/2018 8:19 AM, eric norris via Elecraft wrote:
I am using an early KAT500 with a K3S. When using WSPR in band-hopping mode at
5w, WSJT-X 2.0 commands a band change and transmit, the K3S starts
transmitting, then stops, changes bands, then changes back to the original
band, say 40 meters. I think this part is a WSJT problem, and has been
reported. Now the K3 is on 40m. If I press the TUNE button in WSPR, the SWR
meter shows a high SWR and relays click in the KAT500. If I press TUNE again,
the swr is good.
The KAT500 is configured to follow the K3 vfo, so why is the KAT500 retuning?
If the K3 shows 40m, why wouldn't the KAT500 have the proper tuning solution?
It is properly cabled with auxbus cables between the K3, KAT500, and KPA500 in
that order (the KPA500 is off). The KAT3 is in bypass mode. I don't think
this is an rf problem because I regularly use the KPA500 with no signs of rf
getting into anything. This seems very odd. All firmware is current. Any
ideas?
73 Eric WD6DBM
Sent from Yahoo Mail on Android
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