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LF: Re: loops

To: "rsgb_lf_group" <[email protected]>
Subject: LF: Re: loops
From: "Dave Sergeant" <[email protected]>
Date: Tue, 12 Mar 2002 08:56:19 -0000
References: <[email protected]>
Reply-to: [email protected]
Sender: <[email protected]>
From Dave G3YMC
Rik ON7YD wrote:
Assume you gave a loop with a radiation resistance of 1 milli-Ohm and a
loss of 5 Ohm
I hope that is just an example.  If you really have a transmitting loop with a 
series
R of 5 ohms you are wasting your time.  Mine has a dc resistance of around 0.1 
ohms,
and an effective series resistance once earth coupling losses and skin effect 
are
taken into account of 0.65 ohms.  I notice this series resistance figure was not
given in G3KEV's recent mail, it is by far the most important characteristic of 
a
transmitting loop.

See my website where all these things are explained.

Dave G3YMC
[email protected]
[email protected]
http://www.dsergeant.btinternet.co.uk





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