Hi Henny
Nice, (or no so nice), to see the noise. Do you know the source of
the equally spaced lines which start at greater amplitude.
I assume it is mains related, I have similar lines visible now,
centred on 75Hz, they occur regularly, I have considered that they
may be trains (we have 50Hz trains in the UK). Problem is the period
is over 1Hour that would mean I see the radiation from the overhead
power lines, after they leave the local station until they get
around 100km distant.
I think Marcus has looked at at railway interference.
73 Eddie
On 14/05/2011 11:59, henny van elst wrote:
Hi Eddie,Chris,
a picture with Qrm
Henny pa3cpm
73's
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qrm 82Hz.jpg
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