A possibility is an ionospheric sounder ... In the past there were many hundreds of 'em operated by "everyone".
Used to be plagued by one a few miles north of Denver. Another was located behind the NBS in Boulder. Give Google a peek .... 73 K0PP On Sun, Feb 2, 2020, 15:14 Tox <[email protected]> wrote: > Hoping someone has a suggestion for how I can work around some local QRM. > > I have a kx3 with filters installed > I have wsjtx running. > I've recently added a px3 to see if it would help provide insight. > > I find intermittent broadband noise that desenses my receiver on multiple > bands. 1) It appears to either be On or Off, no visible fading. > (Transitions are <<1 second). Sometimes a little flickering but usually > extends for minutes to hours. > 2) When on, signals in waterfall completely disappear or are reduced to > just a couple nearby (loud) stations > 3) when on, it wipes out at least one whole band (usually 20m, sometimes > 40m as well). > 4) when on, the full 200khz slice in px3 goes green snow > 5) still happens if I throw breaker in my subpanel and am running off of > batteries > 6) with 30 min of fiddling, haven't been able to see it in a kiwisdr node > less than a mile away > 7) pskreporter still shows me to be getting out (to the extent I can) > > Broadband, no visible peaks, so not sure I could triangulate it by > wardriving with a Kerberos. > > Any suggestions? > > Is there a way/practice to maybe leverage the filters to increase rejection > of the interference? > > Thanks in advance, > Scott > AD6YT > ______________________________________________________________ > 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] > ______________________________________________________________ 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]
