On Sun, 11 Jan 2004 12:12:53 -0600, K4RO Kirk Pickering wrote:
>I have a new noise in the neighborhood which appeared
>about a month ago. It caused a real problem during the
>recent ARRL Ten Meter Contest. The noise is present from
>about 27.8 to 28.1 MHz, and it pretty well wipes out 10m CW.
>The noise seems to be there most of the time, although I
>have noticed some random periods when it is not present.
>You can listen to a sound clip at the link below. I would
>appreciate any ideas on what the source might be.
The pulsing on and off is a little unusual, but the basic noise sounds
like ordinary power line arcing. Some direction finding is in order.
RFI mailing list