Hi Hal, Good timing, good point. Just got home, switched on radio to look at 1300MHz rx signal strength, it is clean up there. Thunderbolt works fine here.
Noise is from crude switcher with almost no filtering. Regards Gerald VK3GJM On 12/10/2011, at 17:25, "Hal Murray" <[email protected]> wrote: > >> Now to the negative part , noise floor from around 21MHz to well over 500MHz >> raised to a signal strength 5 to 6 across mid to upper HF / lower VHF to >> upper UHF with them switched on, otherwise my noise floor is Zero. > >> Lower VHF to UHF SSB/FM low level signal work is now not possible when LEDs >> are on, mostly at night when we enjoy the hobby. > > What is causing that trash/EMI? Switching power supplies? PWM? > > How much gets up to 1.4 GHz? (GPS) > > > > -- > These are my opinions, not necessarily my employer's. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > -- > Message protected by MailGuard: e-mail anti-virus, anti-spam and content > filtering.http://www.mailguard.com.au/mg > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
