From: "Hal Murray" <>
[]
It would be interesting to know what the analogue signal looks like, as
many pieces of electrical and electronic equipment can radiate
significantly on those frequencies.
60 KHz, AM Modulated, low bandwidth. Google will find the details at
NIST's
web site.
Likely sources of interference are displays and switching power
supplies.
I think most modern switching supplies are now higher frequency. Beware
of
fluorescent lights. 5 or 10 years ago, the ones in the lab where I
worked
were roughly 50 KHz.
Thanks, Hal. I know what the signal /should/ look like - I was thinking
more of how it /actually/ appeared with Justin's setup, i.e. how much
interference there actually was.
Cheers,
David
--
SatSignal software - quality software written to your requirements
Web: http://www.satsignal.eu
Email: [email protected]
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