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Re: VLF: 8,97 kHz active antenna circuit and pictures

To: [email protected]
Subject: Re: VLF: 8,97 kHz active antenna circuit and pictures
From: Horst Stöcker <[email protected]>
Date: Wed, 28 Apr 2010 14:56:01 +0200 (CEST)
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In-reply-to: <38A51B74B884D74083D7950AD0DD85E82A1BE7@File-Server-HST.hst.e-technik.tu-darmstadt.de>
References: <[email protected]> <[email protected]>, <38A51B74B884D74083D7950AD0DD85E82A1BE7@File-Server-HST.hst.e-technik.tu-darmstadt.de>
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Hello Stefan,
thanks for posting the circuit.
Is the second FET also a BF862?
Why  RG-174?
"cu this evening" - arey you planning a test? I did not here of that.
vy73 Horst DO1KHS/DI2AN

-----Ursprüngliche Nachricht-----
Von: "Stefan Schäfer" <[email protected]>
Gesendet: 28.04.2010 12:49:38
An: [email protected]
Betreff: VLF: 8,97 kHz active antenna circuit and pictures

>Dear LF, 
>
>Daniele and others asked for the circuit of my active E field antenna that i 
>am using for my grabber. Now i have created a pdf file where you can find the 
>circuit and a picture of the arrangement and a spectrogram of the currently 
>working circuit.
>
>http://www.iup.uni-heidelberg.de/schaefer_vlf/8,97kHz%20active%20E%20field%20antenna%20by%20DK7FC.pdf
>
>So, if you are interested or want to get some ideas for your own circuit, take 
>a look on it. I hope the link works.
>
>So, best 73 and maybe cu this evening there, dreamers.
>
>Stefan/DK7FC
>
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