To: | [email protected] |
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Subject: | RE: LF: RE: Antenna wire |
From: | "Mike Dennison" <[email protected]> |
Date: | Fri, 16 May 2008 17:32:58 +0100 |
In-reply-to: | <[email protected]> |
References: | <[email protected]>, <002701c8b734$9cefe910$6401a8c0@asus>, <[email protected]> |
Reply-to: | [email protected] |
Sender: | [email protected] |
On 16 May 2008 at 7:08, Laurence KL1X wrote: > ..........I never had to deal > with open wire spans by the time of my apprecticeship but I think > that was very similar physically. There was some open wire around when I was a BT (Post Office) apprentice. It was solid copper wire. As I recall, dropwire (steel with a thin copper coating) had a limit to its usable length because it had a higher DC resistance than open wire. This resistance may not be high in relation to other losses on an LF Marconi, but it would rule out its use in a transmitting loop antenna. Mike, G3XDV ========== |
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