* On 2016 23 May 17:05 -0500, Bob Darlington wrote: > Hey, a little OT, but I discovered today that my raspberry pi took my noise > floor from S9 constant (with some peaks higher) down to an S4 with peaks > around S5 once I unplugged it. These things are BAD. I can't vouch for > the r-pi 2 or 3 but I can say that my APRS digipeater is now off the air > because of it till I get everything into a shielded metal enclosure.
Actually, I found the wall wart one uses makes a lot of difference. I had a couple to choose from and chose the one that was least noisy. 73, Nate, N0NB -- "The optimist proclaims that we live in the best of all possible worlds. The pessimist fears this is true." Ham radio, Linux, bikes, and more: http://www.n0nb.us ______________________________________________________________ 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