| To: | "RSGB LF group" <[email protected]> |
|---|---|
| Subject: | LF: Puckeridge tests |
| From: | "C Andersson" <[email protected]> |
| Date: | Thu, 13 Apr 2000 18:50:32 +0200 |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
Hello LF-group, Interesting with this experiment. I just wonder how the efficiency of the used antenna is calculated (or perhaps measured). My calculations for a 100 m vertical _without_ toploading gives a radiated pwr of 1,6W with 1,4 A antenna current. (10W in 5 ohms). ERP = 2,9W. I believe the top wires also improves things a bit. Hw? /Christer sm6pxj |
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