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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: PA0RDT polarisation |
| From: | "Roelof Bakker" <[email protected]> |
| Date: | Tue, 21 Jun 2011 17:23:45 +0200 |
| In-reply-to: | <7C83B6E4275F422A83872B7E0134B689@Hugh> |
| References: | <000c01cb5a7a$44cfcc50$0401a8c0@xphd97xgq27nyf> <[email protected]> <op.vjf78o2pyzqh0k@pc-roelof> <[email protected]> <[email protected]> <[email protected]> <op.vjhyi5kpyzqh0k@pc-roelof> <[email protected]> <7C83B6E4275F422A83872B7E0134B689@Hugh> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Opera Mail/11.11 (Win32) |
Hello Hugh, Though it may not make sense, mounting orientation is irrelevant. And the feed line does not need to run vertical either.I have tested the antenna at the same "position in space" with two ways of mounting. The first one was the normal way with a vertical mast in the garden.The second way was using the same mast and cable length, but this time extended horizontal from an upstairs window. The receiver was a battery operated selective level meter, which could be read to 0.5 dB. The test was carried out receiving the vertical polarized signal of NDB ONO on 399.5 kHz, 59 km away. The measured levels agreed within 1 dB!So the good news is when the need arises, the antenna can be mounted on a pole and pushed out of the window! Best regards, Roelof Bakker, pa0rdt |
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