| To: | <topband@contesting.com> |
|---|---|
| Subject: | Re: Topband: Helically wound vert |
| From: | "Roy" <royanjoy@ncn.net> |
| Date: | Fri, 17 Jul 2009 11:28:58 -0500 |
| List-post: | <topband@contesting.com">mailto:topband@contesting.com> |
"Radiation efficiency is around 60% on 40 meters, 20% on 80 meters, and 7% on 160 meters. For a 23' vertical this is not bad." Over all system efficiency depends upon effective ground system resistance. Typically that would bring it to more like 2% on top band. Roy, K6XK _______________________________________________ Topband mailing list Topband@contesting.com http://lists.contesting.com/mailman/listinfo/topband |
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