I dropped a note to NIST earlier asking about this, but haven't received a reply yet. I'll post it here if they have any news to share. Mark - W8XR
-----Original Message----- From: k5nwa [mailto:[EMAIL PROTECTED] Sent: Tuesday, May 8, 2007 11:51 AM To: 'Flex Radio' Subject: Re: [Flexradio] Getting strange 60 Hz buzz on WWV's signal At 10:39 AM 5/8/2007, Ken N9VV wrote: >Hi Bob, I noticed the exact same thing last night. I was really >surprised. WWV on my panadapter looked very strange on both 5Mhz and >10Mhz. Today it looks perfectly normal. I wondered if it was an >atmospheric effect or solar wind hitting our upper atmosphere? >de ken n9vv > >Robert Cleve wrote: > > When I tune in WWV on either 15 MHz or 10 MHz WWV's carrier is accompanied > > by what sounds like a fairly strong 60 Hz buzz modulating their carrier. > > When I tune off their carrier the buzzing modulation disappears. I don't > > get this phenomenon on any other carrier, on any other band or > mode, receive > > or transmit. This just started a few days ago on my SDR1K and nothing in > > the shack has been changed to cause this. Does anyone have any idea what > > may be causing this? > > > > 73..Bob..KW4CQ Go ahead and blame the sun, it can't defend itself. Most likely someone accidently turned the knob labelled "Add hum to carrier" and didn't notice. Cecil KD5NWA www.qrpradio.com www.hpsdr.com "Blessed are the cracked, for they shall let in the light." _______________________________________________ FlexRadio mailing list FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archive Link: http://www.mail-archive.com/flexradio%40flex-radio.biz/ FlexRadio Knowledge Base: http://kb.flex-radio.com/ FlexRadio Homepage: http://www.flex-radio.com/ -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mail.flex-radio.biz/pipermail/flexradio_flex-radio.biz/attachments/20070508/9d6af7a2/attachment.html _______________________________________________ FlexRadio mailing list FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archive Link: http://www.mail-archive.com/flexradio%40flex-radio.biz/ FlexRadio Knowledge Base: http://kb.flex-radio.com/ FlexRadio Homepage: http://www.flex-radio.com/