Has anyone encountered noise on 50 MHz with the Elecraft/Powerwerx power supply for the K3S?
Thanks & 73, John WA1EAZ > On May 18, 2020, at 2:51 PM, K9FD <merv.k...@gmail.com> wrote: > > I had two of them and both had RFI, on 12 meter band, it was a broadband > noise of > S2 or so. If your noise level is higher than S3 then you may not even > notice it as it > was noise similar to the noise floor, as wide as the band. > Had other "spots" on other bands that had hash but not too bad. > Have tried many switchers and every one I have had put noise someplace, if > you mention > that on this reflector all you get is a tirade of people with S5 to S6 band > noise levels > screaming they hear nothing, they are correct they hear nothing. > Elecraft even admits the switcher they sell has noise. > I have a very very low external noise level at this QTH, so linear supplies > are the only way > I am sure to be free of noise, birdies, and crap internally. YMMV > Merv K9FD >> EME on 6m, terrestrial on 2 & 432 with antennas directly above the shack. >> Noise floor very low (usually) so anything added very apparent. I haven’t >> noticed anything at HF. >> >> The only problems I’ve had at HF were a particular model of Samsung monitor, >> and PGE powerlines where HV ran on the old ceramic insulators. K6TU’s >> recommendation to file complaints with PUC was effective in getting those >> replaced. >> >> These SS-30M supplies have been around a long time. Do others report RFI >> problems? >> >> 73 >> Josh W6XU >> >> Sent from my mobile device >> >>> On May 18, 2020, at 10:30 AM, Jim Brown <j...@audiosystemsgroup.com> wrote: >>> >>> Sounds like it's quiet on the bands where you do EME. What bands are >>> those? Anything on HF? >>> >>> 73, Jim K9YC >>> >>>> On 5/17/2020 9:47 PM, Josh Fiden wrote: >>>> Only when the moon’s at the same heading! >>>> Shack is E of array which is on about 25’ of Rohn 45, so bottom antennas >>>> are quite low. >>>> House is SE and I have to turn off fluorescent lights and washing machine. >>> ______________________________________________________________ >>> Elecraft mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:Elecraft@mailman.qth.net >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >>> Message delivered to j...@voodoolab.com >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to merv.k...@gmail.com > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to jstengrev...@comcast.net ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
