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LF: Commercial FS measurements documented

To: "RSGB LF group" <[email protected]>
Subject: LF: Commercial FS measurements documented
From: "C Andersson" <[email protected]>
Date: Mon, 13 Mar 2000 19:36:18 +0100
Reply-to: [email protected]
Sender: <[email protected]>
I found some interesting documents concerning FS measurements on 300 kHz at the website of ITS, Boulder, Colorado (Institute for Telecommunications Sciences).

Calculation procedure:

In the summary:
"The dependence of field strength with distance from the transmitter is in good 
agreement with the predictions of propagation models in the absence of irregular 

I have made some more measurements which are published on my home page. There is still a 
5-6 dB discrepancy between calculated and measured values. Next step will be to improve 
the radial system with lengths of chicken net near the antenna base + ordinary radials 
and see what happens with the "missing dB's".

sm6pxj, Christer

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