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Re: LF: Re: MiniWhip antenna, fiber optic TEST SIGNALS NEEDED on 630m WS

from [pa3abk] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: Re: MiniWhip antenna, fiber optic TEST SIGNALS NEEDED on 630m WSPR
From: pa3abk <[email protected]>
Date: Sat, 13 Jul 2013 14:56:42 +0200
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References: <CAKvcm2dpuftdtK6OdQv8fOfiw+4yQrPBQBHJ-FN2gDbT4P_oMQ@mail.gmail.com> <[email protected]> <op.wzq2tgvnyzqh0k@pc-roelof> <005b01ce798a$b0476600$6d01a8c0@DELL4> <op.wzrfpjyyyzqh0k@pc-roelof> <[email protected]> <7D6B8CBB38964C9C82487F5D0F3648FC@FMVXD1232> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <001601ce7c95$f235b360$6401a8c0@JAYDELL> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <op.wz4k19tayzqh0k@pc-roelof> <[email protected]>
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On 13-7-2013 14:28, Stefan Schäfer wrote:

....
Due to the lower signal levels of the short active dipole i now resonated the antenna to 630m, where i plan to do my tests. This prevents IM and causes a significant gain! 
.....
Assume the whip itself is tuned and not the longwire TX antenna next to it :-)
Do you see a difference in signal when you ground your TX antenna versus fully tuned on MF? 
In other words does the TX antenna has any coupling to the MW.

Jan/pa3abk

--
pa3abk <-> dordrecht jo21it
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