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Re: LF: VLF - distances achjeved

To: [email protected]
Subject: Re: LF: VLF - distances achjeved
From: John Rabson <[email protected]>
Date: Wed, 15 Dec 2010 16:56:49 +0100
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
Stefan, Gerhard, LF,

Many thanks for the corrections.

73 John

On 15 Dec 2010, at 14:21CET, Stefan Schäfer wrote:

Ah John,

Sorry, there is another bug: The QTH of the kite antenna is JN49IS36VH, near Darmstadt.
The Earth antenna is in Heidelberg, JN49IK67

I have changed the entries in the list below.

73, Stefan

Am 15.12.2010 12:04, schrieb Stefan Schäfer:
Hi John,

Am 15.12.2010 11:55, schrieb John Rabson:
I am writing a piece on VLF for the Cave Radio & Electronics Group Journal and would like to include distance records.  Can people please confirm that the following information is correct (or not)?


Above-ground antennas


Hz
ERP mW
From
To
km
8970
58
Darmstadt
Israel/Haifa
2873
6470
9
Darmstadt
Poland/Warshaw
904
5170
5
Darmstadt
Poland/Warshaw
904






The QTH of SQ5BPF is Washaw. The rest is correct.

Earth current antennas


Hz
TX power W
Electrode spacing m
From
To
km
8970
250
600
Heidelberg
Roschbach
49.6


















I did successful tests to Roschbach just on 8970 Hz, not on 6470 and 5170. The distance is 49.6 km (since my earth antenna QTH is different to the kite antenna QTH).

Thanks too.

73, Stefan/DK7FC

Thank you.

John F5VLF



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