Glad you found the source. However, last year I heard some strange "weeblie" signals that swept across the 10 meter band. They would typically start up some point and sweep from low to high in frequency. They were quite noticeable on the VGA/P3 or the Flex screen. They sounded like they were being frequency modulated at a slow, maybe 10Hz rate over about a 100 Hz span, while the whole signal took anywhere from a split second to about 10 seconds to travel a few hundred kilohertz. The fast ones would leave a trail of dashes, depending on the P3 sweep speed and the slow movement seemed to get a bit faster as it moved. I'd see a couple every 10 to 20 seconds and they were definitely coming in the antenna. The source was not local, because I could switch to an indoor loop and they were barely readable.
I haven't looked recently since ten has not been too active. I'll park the K3 up on ten and check the scope every so often to see if they still show up. I DO have a similar RFI type signal coming from my PWM solar charger, but these weeblies are different. 73, Charlie k3ICH -----Original Message----- From: Elecraft [mailto:[email protected]] On Behalf Of Terry Sent: Saturday, July 23, 2016 2:44 PM To: [email protected] Subject: Re: [Elecraft] Strange Interference Thanks to all for the advice. I found the issue. It is my Powerwerx SS30DV Switching supply. I thought this supply was a good one to not create problems like I am having. Not sure if it is fixable or If I need to send it in for repair. Very 73, Terry N7TB ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
