WWV does drift due to atmospheric conditions that induce a Doppler effect. I have been measuring using a Rb standard on the FLEX-1500. All radios drift a little too.
You can use this technique to fine tune the frequency in PowerSDR http://kc.flex-radio.com/KnowledgebaseArticle50175.aspx -Tim -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of George Allen Sent: Thursday, April 22, 2010 10:33 AM To: [email protected] Subject: [FlexEdge] Calibration to WWV at 10MHZ I'm preparing for the frequency measuring test tonight using my F5K. I have run thru the calibration tests as per the instruction manual....having noticed that WWV at 10MHZ appeared to be low by about 6 hz. It is probably my carelessness; but, when I look at wwv again a couple of days later, WWV appears to be low by about 4 hz. I presume that WWV is not drifting; but, that it is me. Any thoughts as to how long to leave the F5K on to get it to stabilize? Any thoughts on the anticipated drift over time for the F5k? My Rubidium Standard just came in and I won't get a chance to wire it up tonight. George K2CM/J8K2CM _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using alpha and beta versions of the software. _______________________________________________ Flexedge mailing list [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexedge_flex-radio.biz This is the FlexRadio Systems e-mail Reflector called FlexEdge. It is used for posting topics related to SDR software development and experimentalist who are using alpha and beta versions of the software.
