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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: VLF and SW Fielday Experiment |
| From: | "Dick Rollema" <[email protected]> |
| Date: | Thu, 12 Jun 2003 10:58:41 +0200 |
| In-reply-to: | <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
At 19:40 11-6-03 +0200, you wrote:Hallo OM's When the antenna is a horizontal quad with sides of 100 metres it will radiate a horizontally polarised signal straight up ("cloud warmer"). This is of no use at LF. A workable system would be to use the feedline with the two conductors in parallel as a vertical radiator, excited against a good earth, the quad acting as topload. It could turn out to be advantageous to put ground wires on the surface below the quad wires to provide a low-loss path for the antenna currents back to the transmitter. If the quad is to be erected in a vertical plane please forget this message. I will be listening for your signal in normal CW. Good luck! 73, Dick, PA0SE |
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