[amsat-bb] PSAT spinning fast?

On the last pass 1500 EDT or so, I was hearing a fade almost every 3 seconds in the PSK31 audio downlink. That would be 20 RPM.

So I upped the Sun Vector telemetry sample rate to the highest to get now 24 samples per minute. But this plot shows only about 6 RPM. But if the audio is right, then we are sampling below the Nyquist rate and so the plot can be aliasing…

So the question is. What do “you” hear as the audio spin rate in the PSK31 downlink on 435.350?

Bob, Wb4APR