I monitored the 137kHz 'mistery signal' last night :
1. Although it sounds RTTY-like I cannot see any mark /space lines with GRAM
2. It came out of the noise arround 21.30UT and built up (with some QSB
periods) until 23.00UT (when I went to bed). I left the ON5OO software
running all night (from 22UT until 08UT) the signal was still there (and
loud) at that time.
I will have a look at the data from the ON5OO software tonight.
At 21:43 4/01/00 -0000, you wrote:
Hi all, the mystery grows deeper...I enclose a copy of an e-mail from
Jon...
--------------------------------------------------
Well, I can confirm that this is *not* CFH. Our transmitter is
still powered off. I had to call the site as all I have here is again
wideband noise. It is drizzling and when you walk by the high-voltage
transmission lines, you can actually hear the water accumulated on the
insulators fizzing off. I can't wait to move out to the countryside!
................................
Best wishes, Jon - VE1FTL
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Mmmm interesting.... we know from some other comments that there are other
stations on that frequency....but to my remembrance they were located on the
West Coast, San Diego way I think!!
The signal is already visible on my display (2130z) but I forgot to activate
a scroll back so I can't look to see when it appeared first. I was too busy
watching 'Horizon' . The modulation is certainly not what we are used to
seeing from CFH. It is either a more complex data mode or maybe Fax. I have
a display of a band of 'noise dots' about 60Hz wide at its present weaker
strength. Not a bit like RTTY which gives two distict lines for the mark and
space freqs.
Any other ideas??
Cheers de Alan G3NYK JO02PB
[email protected]
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