Some of the newer electric blankets have a CHEAP switching P/S similar to
those on laptop power supplies. Check them out too - good possibility as
nights are colder. Some stay on whenever plugged in others cycle on and off.
Some also have an IR controlled temperature control (at least mine does)
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On Nov 30, 2009, at 9:19 PM, Ken Kopp wrote:
> Don't forget touch lamps notorious sources of noise.
What is a "touch lamp" ?
Byron
KI6NUL
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Don't forget touch lamps notorious sources of noise.
(I spent about 15 years chasing noise for a public utility.)
73! Ken Kopp - K0PP
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It sounds like a switching power supply, such as in a charger or device
power supply.
If you can do it, turn off your house breakers one at a time to see if
if it's in your house.
Try a search on rfi @ contesting.com mailing list.
Leigh/WA5ZNU
> Gentlemen,
>
> I'm experiencing an ODD rather broa
Gentlemen,
I'm experiencing an ODD rather broad noise USUALLY on 20m @ the lower end of
the band (CW) between
14.020 up to about 14.060mhz. It's sort of a mid-pitch level "GROWL" that
VARIES in frequency
(traveling) up and down the aforementioned frequencies, and sometimes more
noticeable in t
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