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Original Message -----
Sent:
Tuesday, November 27, 2012 8:41 PM
Subject:
LF: LF interference
Hi All,
For about 7 days or so I have been getting
some very strong interference on the 136kHz band. At first it only came on
for short periods (up to 1 or 2 hours) but from yesterday it came on
early evening & stayed until early today & is there again
tonight.
The interfering signal sounds like a buzzing
noise on my LF Rx & the visual display shows a very unstable form. It
starts from about 137.000kHz upwards & fades towards
145kHz.
I have placed 3 captures on Dropbox, 2
SpecLab (showing the start time) & 1 HDSDR showing the extent of
the interference.
If anyone can identify this type of
interference I would be pleased for comments. I believe I have eliminated
all my own gear & household items.
Thanks & 73,
Gary - G4WGT.