LF: RE: VLF test signals?

To:	[email protected]
Subject:	LF: RE: VLF test signals?
From:	[email protected]
Date:	Thu, 25 Feb 2010 15:35:30 +0100
Reply-to:	[email protected]
Sender:	[email protected]

Stephan

The two lowest frequencies in use are presently:

- 11.904 kHz (RSDN-20 network, a russian navigation VLF system with transmitters located in Novosibirsk, Krasnodar, etc)

- 82 Hz (ZEVS system, an ELF transmitter located on the Kola peninsula and dedicated to strategic transmissions with russian nuclear submarines )

I receive both stations here near Paris with an E-field receiver consisting of a home-brew receiver fitted with a FET/BJT front end and a 1m long cylinder vertical antenna

Regards

Jean-Louis F6AGR

From: [email protected] [mailto:[email protected]] On Behalf Of Stefan Schäfer
Sent: Thursday, February 25, 2010 12:59 PM
To: [email protected]
Subject: VLF test signals?

Which commercial VLF transmitters can actually be received in the 10kHz range? There is much listed in the web but in times where these transmitters are shut down all this may be already old stuff. Who is receiving in this frequency region and can tell us a frequency and the SNR he is achieving? There are so many OMs who watch the VLF sector and have nothing done with LF and this group. Perhaps it it an idea to activate/motivate them for some tests, to increase the RXers density.

Maybe it is good to compare some RX rprts in that region. But i will rather be active at the transmitters front now ;-)

Stefan/DK7FC

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