CT1JTQ frequency calibration

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Joined: 2012/04/09 - 12:22
CT1JTQ frequency calibration

Anybody knows how to send a message to WSPR-users not logged in, like CT1JTQ is logging me at 28.126.198 I'm transmitting 28.126.110 A few HZ drift, and he will not receive me anymore.
Some stations are drifting more than 10 HZ in 2 min sequence, ┬┐how to tell them?