Re: U3s Frequency drift / stability #u3s #problem #wspr

Alan G4ZFQ

I'm only working on WSPR mode.  After certain time (depending on the Cal steep config.) the TX freq gets out of the RX window; What Im missing?  thanks for any light you may give.
Frame Start: 10 - 02
Cal Step Time: 10 - 120


Tell us your full configuration. What TX frequencies?
How many active frames, number of transmissions in 10 minutes?
Is it really doing a calibration cycle?

73 Alan G4ZFQ

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