> > On the SO-50 1900Z pass I noticed the carrier was shifting down about 4 kHz > randomly. > Has this been noticed lately? > Ron W5RKN https://network.satnogs.org/observations/2506933/ Not much to go on, but it sure does look like the carrier is ~4kHz low right at the start of the observation. I'll look at some other observations..... --Roy K3RLD