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Re: VLF: Back on 5.17 kHz / 58 km...

To: [email protected]
Subject: Re: VLF: Back on 5.17 kHz / 58 km...
From: Jacek Lipkowski <[email protected]>
Date: Mon, 9 Jan 2017 16:42:08 +0100 (CET)
In-reply-to: <[email protected]>
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On Sat, 7 Jan 2017, DK7FC wrote:

I'm often thinking about the old VLF propagation graphs
https://dl.dropboxusercontent.com/u/19882028/VLF/fig_02_25a.png (what was the 
original paper where it comes
from?) which make more and more sense to me!
There is also the wavevlf program by Piotr M#ynarski
SQ7MPJ (SK), which calculates the field strength based a spherical
waveguide model.

I have a modified version here:

http://www.lipkowski.org/~sq5bpf/vlf/wavevlf/

This was used to generate the attached graph.

VY 73

Jacek / SQ5BPF

Attachment: example1.png
Description: PNG image

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