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Re: LF: Back on the air

To: [email protected]
Subject: Re: LF: Back on the air
From: "Mike Dennison" <[email protected]>
Date: Mon, 23 Aug 2004 17:27:28 +0100
In-reply-to: <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
Im vy interested in aerial modifications: pse, what kind of tweaks have you made?

regards
Uwe/dj8wx

The main tweak was to widen the three-wire top section a little. At the end joining the vertical, the total width was about 1.5m and it is now 1.9m. At the far end it is unchanged at 2m. This increased the capacitance, and decreased the size of the loading coil. See the following web page for a picture of the general arrangement:
http://www.lf.thersgb.net/antenna.htm

I also reduced some stray capacitances at ground level, made the ATU construction less messy and improved the toroidal matching. The current was 1.8A and is now 2A. Not a lot of improvement but it all helps.

Mike, G3XDV
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