Some callsigns are sometimes not recognized/spotted by the CW skimmer

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Tibor Finta

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Jul 25, 2026, 6:31:33 PMJul 25
to SDC Software Defined Connectors
Dear Yuri,

I noticed also earlier that sometimes some callsigns are not recognized and spotted by the CW skimmer.
It was difficult to catch an adequate example, but now I could.
Now G5O was not written into the SDC Skimmer band map at 7018.4 kHz and neither spotted to the radio, nor to N1MM.
But the callsign was recognized and highlighted in the decode window multiple times, actually more than 20 times.
I don't understand, why it was not sent to the radio/skimmer band map. My skimmer settings are also shown in the video.

See the video here:
https://youtu.be/CHPo6Q_wLck

Best 73:
Tibor
HG5E / HA1AH

UT4LW Yuri Pavlov

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Jul 25, 2026, 11:16:36 PMJul 25
to SDC Software Defined Connectors
Hi Tibor
You have configured the skimmer to run very slowly due to the large number of callsign validity checks. The skimmer may add additional callsign checks.
set1.jpg

Later, I'll try testing the skimmer with your settings. I recommend the following settings for contests:

set2.jpg

воскресенье, 26 июля 2026 г. в 01:31:33 UTC+3, tib...@gmail.com:
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