I observed it until I changed power supplies Burt
--- On Wed, 9/8/10, Mike WA8BXN <hubb...@hotmail.com> wrote: > From: Mike WA8BXN <hubb...@hotmail.com> > Subject: [Flexradio] Drifting noise hills > To: flexradio@flex-radio.biz > Date: Wednesday, September 8, 2010, 10:40 AM > I have noticed at times (particularly > during fox hunts) what I can best > describe as a noise hill that usually drifts around in > frequency. For a > width of several KHzon the panadapter I see what is shaped > like a "normal > curve" that trails off for many more KHz. In panfall mode I > can see a > brightening where the curve in the panadapter display. > > > > Sometimes, when the peak of the curve is in the passband of > the receiver I > can hear a shift in the noise frequency at around a second > or two intervals > as the peak drifts around. > > > > I have observed this with both a 1000 and 1500 flex radios. > Disconnecting > the antenna gives a flat display. Connecting a wire to the > antenna several > feet long just in the shack does not show the noise hill, > so it doesn't look > like its something in the shack. > > > > The effect happens with a number of antennas and is not > consistent at all. I > live in a rural area with other houses hundreds of yards > away. > > > > Has anyone else observed this sort of thing or have any > idea what it might > be? > > > > Thanks in advance! > > > > 73 - Mike WA8BXN > > _______________________________________________ > FlexRadio Systems Mailing List > FlexRadio@flex-radio.biz > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ > Knowledge Base: http://kc.flexradio.com/ Homepage: > http://www.flexradio.com/ > _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/
