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Re: Topband: earth tester

To: "'Richard \(Rick\) Karlquist'" <richard@karlquist.com>, "'Henk PA5KT'" <pa5kt@remijn.net>, <topband@contesting.com>
Subject: Re: Topband: earth tester
From: "Lennart m" <lennart.michaelsson@telia.com>
Date: Sun, 26 Apr 2015 20:15:45 +0200
List-post: <topband@contesting.com">mailto:topband@contesting.com>
Hi Rick et al,
Just reminds me of 3Y0X from Peter 1 Island in 2006.
They used a 3 el yagi laying on the ice and had a VFB sig on 160 ...but
calculations were made before they went to this distant QTH.
Nice memory!
73
SM7BIC Len

-----Ursprungligt meddelande-----
Från: Topband [mailto:topband-bounces@contesting.com] För Richard (Rick)
Karlquist
Skickat: den 26 april 2015 19:50
Till: Henk PA5KT; topband@contesting.com
Ämne: Re: Topband: earth tester

Is there some way you could lay a half wave dipole on the ground and measure
the resonant frequency and radiation resistance vs the known free space
values, and convert this to ground conductance and permittivity?  Perhaps
model it in some version of NEC and play with the ground constants until the
modeling program agreed with the measured impedance and frequency?

Rick N6RK

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