I was monitoring WWVB against a good local standard and evaluating 60kHz 'seeing' 30 years ago. Sometimes it is beautifully quiet, after a storm front went through as I remember, at other times it's absolute hash... to the point that the HP 117A would not even hold lock.
-John ================= > The randomness of WWVB propagation require incredibly long measurements > to get an interesting degree of accuracy compared to a GPS driven > solution. > > The WWVB signal does respond nicely to solar flares if measurements are > integrated > over one minute. Check out the VLF monitoring stuff on my web page. > > On 02/21/2014 12:06 PM, John Seamons wrote: >> As a starting point: Here's an extension of the SAQrx PC sound card >> receiver that supports 192 KHz sample-rate sound cards. Enough to get >> you WWVB. >> <https://sites.google.com/site/swljo30tb> >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > -- > Chuck Forsberg WA7KGX c...@omen.com www.omen.com > Developer of Industrial ZMODEM(Tm) for Embedded Applications > Omen Technology Inc "The High Reliability Software" > 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.