LF: Re: Re: 500 khz beacon 11th

To:	<[email protected]>
Subject:	LF: Re: Re: 500 khz beacon 11th
From:	"Alan Melia" <[email protected]>
Date:	Sat, 12 May 2007 00:14:29 +0100
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Hi Dave distilled water has a high resistance and a dielectric constant of
about 80 (PTFE 2.3). You should find the current goes up soon after it stops
raining, maybe as the ground water starts to absorb minerals, but also as
the film of water get shaken off the wire. Finbar had a similar effect when
we were trying to measure antenna ground loss on 136.

Cheers de Alan G3NYK


----- Original Message -----
From: Gary - G4WGT <[email protected]>
To: <[email protected]>
Sent: 11 May 2007 19:28
Subject: LF: Re: 500 khz beacon 11th


> Hi All,
>
> In my previous mail I wrote :-
>
>  "503.600 KHz, QRSS03, CW ID 6 wpm, 75 mW ERP"
>
> As it is raining here at the moment & the ground is now quite wet the
> antenna current is noticable lower without any change to the transmitter
or
> antenna settings.
>
> The ERP appears to about 40 mW now but my signal still looks the same on
> Dave's (G3YXM) grabber.
>
> 73
>
> Gary - G4WGT - IO83qp
>
> http://myweb.tiscali.co.uk/wgtaylor/
> Web site updated 07/05/2007
>
>

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