Not exactly correct. I have 2 which do not, as I measure and listen,
create any noise. On the other hand, I purchased a "deal" for a 13V /
30 amp supply. It measures.......well it will never be in or around my
house as it generated lots of noise from 1 MHz to over 100 MHz. I was
suspicious when I couldn't find a Part 15 label on the box. But after
all, new shipped to me was less than $20. Guess one gets what they pay
for in terms of quality.
73
Bob, K4TAX
On 8/12/2017 10:13 PM, Clay Autery wrote:
Yup! And tech geeks like me can have 75 switch mode power supplies in a
1000 ft sq house....
SMPS are the devil's work and must be destroyed! ;)
I've done away with about 1/3 of them so far... Eventually, I hope to
eliminate ALL of them from the entire property.
73,
______________________
Clay Autery, KY5G
On 8/12/2017 10:07 PM, Jim Brown wrote:
On 8/12/2017 7:31 PM, krug261--- via Elecraft wrote:
I came back to radio after a 15 year break.
The thing that's changed is the proliferation of noise generators. The
RF environment has become so bad that broadcasters have raised the
issue with the FCC, and the FCC is studying it in a serious way.
In a tutorial/applications note about finding and killing it, I made
an educated guess that the average residence has at least two dozen,
and probably three dozen, HF noise sources.
http://k9yc.com/KillingReceiveNoise.pdf
73, Jim K9YC
______________________________________________________________
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 rmcg...@blomand.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
