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LF: Re: VLF test signals?

To: <[email protected]>
Subject: LF: Re: VLF test signals?
From: <[email protected]>
Date: Thu, 25 Feb 2010 07:37:16 -0500
References: <001c01cab575$6bbb0460$0401a8c0@xphd97xgq27nyf> <[email protected]> <38A51B74B884D74083D7950AD0DD85E82A1B19@File-Server-HST.hst.e-technik.tu-darmstadt.de> <38A51B74B884D74083D7950AD0DD85E82A1B1B@File-Server-HST.hst.e-technik.tu-darmstadt.de>
Reply-to: [email protected]
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Stephan

Which commercial VLF transmitters can actually be received in the 10kHz range?

The Alpha stations on 11.9, 12.7 and 14.9 kHz are visible (cw speed waterfall) and audible here a good percentage of the time. Receiving setup is 1 meter e probe (J310 version of the Amrad e probe, battery powered and transformer decoupled) to a Perseus SDR receiver.

Jay W1VD  WD2XNS  WE2XGR/2




----- Original Message ----- From: "Stefan Schäfer" <[email protected]>
To: <[email protected]>
Sent: Thursday, February 25, 2010 6:58 AM
Subject: LF: 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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