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LF: CFH/73kHz Tonight

To: [email protected]
Subject: LF: CFH/73kHz Tonight
From: "James Moritz" <[email protected]>
Date: Fri, 15 Dec 2000 13:01:43 +0000
Organization: University of Hertfordshire
Reply-to: [email protected]
Sender: <[email protected]>
Dear LF group,

I have been trying the 'Eclipse' data logging software in preparation for group CFH monitoring experiments - it seems to be working fine, although I can't get all parts of the eclipse window visible on my primitive monitor. Whilst trying it out last night, I noticed there seemed to be no CFH on about 137.04kHz where it has been transmitting a carrier lately. Conditions seemed quite strange, the low level of noise and lack of signals had me checking antenna connections, but everything seemed OK. At roughly 2215 a carrier appeared at about 136.95, being keyed on and off intermittently (CFH station cat loose again?). Eventually it came on as a continuous carrier, and was fading out in the usual way when I left for work this morning. I assume this actually was CFH - they seem to be altering things around again. G3NYK's chart on ON7YD's web site shows something similar. The SNR looked like a pretty impressive 30dB at best on Alan's chart, and this was about what I was seeing too. This should easily be good enough for QRSS with 1W ERP, and wouldn't have to improve that much for normal CW - we need to get some more tests going!
Since today is Friday, I intend to be QRV on 73 kHz again this
evening, hopefully from 2000 onwards. I will mainly be listening for
cross-band QSOs on around 137.7kHz. As always, any reports
would be welcome.
Cheers, Jim Moritz
73 de M0BMU


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