My setup: Using FT8 V2CR5 on an Optiplex 9010 running Win7 Pro During the RU I observed WF signals where they were obviously calling me but they didn't decode. I observed the same to day while running stations on 7.074. Today I was not in RU mode.
I saw a post that mentioned that DT may be an issue so I ran an experiment to see what effect it would have. I used TimeFudge v1.0 to nudge the time on my comuputer in .05 sec increments. I did this while watching the DT on the signals that I was decoding. As the DT became negative the signals stopped decoding. They would go from say 0.2 to 0.1 then 0.0 and then they wouldn't decode. As I continued eventually all the stations stopped decoding. When I nudged the computer time back up the stations started coming back. This explained to me why I was not decoding some stations that were calling me but it also could be the cause for some of those that said they didn't copy any signals from the WF. It could be that their computer clock was off just enough the cause all the signals DT to be negative. Coy, N5OK
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