House we just moved into, we did new under-the-counter lighting. Once I got the ham shack started, I saw s9 noise on 160 and 80. Turn them off, and it becomes quiet.
Other led panel lights produce no noise whatsoever. But now that that is identified, I will be tracking down some other noise, likely in the neighborhood. w8lvn On Tue, Feb 18, 2020 at 5:29 PM Fred Nassar <[email protected]> wrote: > Had a similar issue moving to a new QTH. It turned out to be a bad > transformer in the neighborhood. You could call in an RFI complaint once > you rule out your own QTH and asked them to sniff around. > > You can also sniff around with a 2 or 6 meter SSB rig if you have one. > > Fred > KE4Q > > On Tue, Feb 18, 2020, 5:47 PM Michael Walker <[email protected]> wrote: > > > HI Andreas > > > > Sorry to hear about your noise. > > > > I doubt your noise is related to digital TV as that is a long way away in > > the frequency world. It is pretty common to assume that it is not on > your > > own property. I saw one guy who said the same thing and then found out a > > year later it was his new dryer that was noisy even when they were not > > using it. > > > > I would not be surprised that most of your HF noise is within your own > > property unless you did some significant research by holding an AM radio > > near each and every power cube or charger for phones, etc. There are not > > too many that are quiet. > > > > I use my KX2 to find most of my HF noise issues and I must have tossed > out > > 15 bad chargers. The ones I could not just toss away, I had to add Mix > 31 > > chokes to. > > > > When you moved into your new house did you replace all the light bulbs > with > > LED bulbs? They can be noisy. > > > > If you haven't taken the time to do an indepth study on your own house, > you > > should. You might be surprised. I would plan an all day exercise when > > everyone is out of the house. > > > > Mike va3mw > > > > > > On Tue, Feb 18, 2020 at 2:25 PM Dave Cole <[email protected]> wrote: > > > > > Hi, > > > > > > I might suspect something else... > > > > > > Have you done a power off test of your home yet? > > > > > > 73, and thanks, > > > Dave (NK7Z) > > > https://www.nk7z.net > > > ARRL Volunteer Examiner > > > ARRL Technical Specialist > > > ARRL Asst. Director, NW Division, Technical Resources > > > > > > On 2/18/20 8:29 AM, Andreas Wachter via Elecraft wrote: > > > > I live about 1.6 miles from some tall antenna towers broadcasting > > > digital TV (KBCB) at 208 kW ERP on channel 19 (500 - 506 MHz) and on FM > > > (KWPZ-FM) at 63 kW ERP on 106.5MHz - according to FCC info on KBCB and > > > KWPZ-FM. Ever since I moved to this QTH a few months ago, I am unable > to > > > use my K3: solid S9+ noise on all bands using a makeshift dipole strung > > up > > > on some trees outside my house. I’ve tried to locate the source of the > > RFI > > > within my home but so far have been unable to locate any RFI emanating > > from > > > within my home. Could it be that the TV/FM stations antenna towers, > which > > > are within direct line of sight from my house, might be responsible for > > the > > > RFI? > > > > > > > > 73, Andreas > > > > > > > > K6AKW > > > > ______________________________________________________________ > > > > 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] > > ______________________________________________________________ > > 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] -- --w8lvn-- ______________________________________________________________ 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]
