Hi Bob, Jim and the LF Group,
Kaliningrad on 171 kHz was coming in loud and clear this evening and closed at
their local midnight (20.00 UTC) with the old Soviet Anthem rather
surprisingly, - still it is a naval base. There was still a carrier after this
time, probably Lvov or Osipivichy, since I could just make out a slavonic
language, which sounded more like Bielo Russian than Ukrainian.
I can also see a carrier on 171.875, which is a TV line oscillator harmonic.
Allouis on 162 spreads up to about 166 kHz.
The quietest part of the ZL band (165 - 190) appears to be the 3kHz from 166
-169 kHz.
73, John, G4CNN
PS apologies to Jim for sending a direct copy as well, my alternative e-mail
provider (Go.com) does the opposite to Excite and automatically fills in the
originator's email rather than the reflector. I had pressed the send button
before I realised and then had to retype it from memory, :-(!
-----Original Message-----
From: "James Moritz"<[email protected]>
To: [email protected]
Date: Thu Aug 09 08:34:45 PDT 2001
Subject: Re: LF: ZL DX testing 22 September
Dear Bob, LF Group>
As I think I mentioned a while back, there is a quiet-ish segment in
the LF broadcast band, some hundreds of Hz wide centred on
about 172.0kHz. The sidebands of the adjacent broadcast stations
leak into it if they are carrying high-pitched programme material, but
most of the time during darkness the noise floor seems to be QRN,
at my location at least. This certainly seemed to be the quietest
frequency in the 165 - 190kHz range.
Are there any strong signals in roughly this part of the spectrum
emanating from the VK/ ZL region that we could try to receive here
in Europe, as CFH and DBF39, etc, have been used over the trans-
atlantic path? This would give some sort of handle on the signal
levels and optimum time of day for a ZL > Eu attempt. I guess this
would be easier to do in the other direction - the Eu LF broadcast
stations are not exactly low-power, and operate continuously, so
should be a relatively easy target for reception in ZL.
Cheers, Jim Moritz
73 de M0BMU
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