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Re: LF: Re: 9 - 520 kHz Active Antenna

To: [email protected]
Subject: Re: LF: Re: 9 - 520 kHz Active Antenna
From: "Stewart Bryant" <[email protected]>
Date: Sat, 14 Apr 2001 22:13:44 +0100
References: <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: <[email protected]>
The design of the elements is interesting though. I wonder if
the curved elements - which you notice do not touch the
mast - are a synthetic (light weight - low windage) sphere with
similar capacitance, or whether the capacitance to the mast lower down
reduces the effectiveness? I think I would have put it the other way up.

Stewart G3YSX

"Robin T. Greenwood" wrote:

Looks  expensive to me Tracy.  The Decca design is fine for 136. I have done
a PCB layout for it. If you want one, I will make it for you since  I recall
I owe you a favour....
Robin
----- Original Message -----
From: "Tracey Gardner" <[email protected]>
To: <[email protected]>
Sent: Saturday, April 14, 2001 6:09 PM
Subject: LF: 9 - 520 kHz Active Antenna

>
> RF Systems have just introduced a new high performance active antenna
> covering 9 - 520 kHz the LFA520 Longwave Active Antenna
>
> http://www.universal-radio.com/catalog/lwant/3060.html
>
> Universal Radio in the States don't quote a price for this yet but the
> Swiss
> company Shoc shows the price as: CHF 404, (EURO 264 or US$ 248)
>
> Regards
>
> Tracey
>
>
>


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