See the article in QST (Apr 2006, pp 41-46) by Jim Hanson W1TRC (SK) about the Ultrasonic RFI detector. Very helpful in locating all sorts of interference issues. I believe that the design has been turned in to a kit.
73 Gene K1NR K2 6K On Mon, 18 Oct 2010 08:26:56 -0700 "Ron D'Eau Claire" <[email protected]> wrote: > Many streetlights will do the same. > > Ron AC7AC > > -----Original Message----- > > The powerline noise was masking another > noise source that was trashing everything from 80 up to > 10m. This noise was > about S5-7, but would cycle on an off....on for about 40 > seconds, off for > about 20 seconds then back on. .. Eventually > tracked it down to my neighbor's sodium vapor flood > lights. These lights are > notorious for generating interference when they are on > their last legs. Had > the rig on and observed his light flickering (noise > present), going off > (noise gone) and then coming back on (noise returned). > Neighbor would not > replace it until it eventually craped out.... > > Harry WE1X > -- > > ______________________________________________________________ > 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 --------------------------------------------------------------------- Web mail provided by NuNet, Inc. The Premier National provider. http://www.nni.com/ ______________________________________________________________ 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
