To: | rsgb <[email protected]> |
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Subject: | LF: 500kHz Distance |
From: | "lawrence mayhead" <[email protected]> |
Date: | Tue, 22 May 2007 15:15:51 +0100 |
Delivered-to: | [email protected] |
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I am very encouraged by the response to my comments on our erp limit. Regarding ground loss, the best way to reduce this is not to bury wire in the ground but to put it in the air ! 1 metre of wire in the air is worth 10 in the ground, and it does'nt have to be in a straight line either just so long as it covers new ground as it were. My 136 now 500kHz ant has 600 feet of top load in 3 zig zags and I get about 30 ohms resistance on 136 and about 15 ohms on 500. So I dont need many watts to get 0.5 amps int the vert section. 73 Laurie G3AQC |
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