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Re: LF: New transmitter being tested on 18.5 kHz

from [MarkusVester] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: New transmitter being tested on 18.5 kHz
From: [email protected]
Date: Mon, 17 Apr 2006 13:15:16 EDT
Delivered-to: [email protected]
Reply-to: [email protected]
Sender: [email protected]
Hi Wolf and LF,

very interesting. I have been observing 10 to 24 kHz for the last few days, and of course stumbled across the 18.5 kHz transmissions as well - screenshots are on http://people.freenet.de/df6nm/vlf/vlf_rdf.htm .

The interesting thing is that on a crossed pair of loops, the new emission seems to show MUCH more directional fading at night than its counterpart on 23.4 kHz. The only explanation I can think of is that they may be using a different kind of antenna, perhaps with long horizontal conductors, producing more high angle radiation.

73, and thanks for the Easter eggs and bunnies ;-)

Markus, DF6NM

In einer eMail vom 17.04.2006 18:06:34 Westeuropäische Sommerzeit schreibt [email protected]:

At this very moment (16:00 UTC), the folks at Saterland / NW DL are
testing a new transmitter facility.
They use unmodulated carrier as well as (G)MSK, ramping the power up and
down from QRPPP levels to full throttle (whatever full throttle will be).
The frequency is exactly 18.50000 kHz, and its quite sure to be the
Ramsloh / Saterland facility (we RDF'd it already, and its very likely
to be the DHO site).
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