Gerhard
Be prepared for the Big EMP and use a tube preferably a 4CX1500 instead of
FET preamps.
g3kev
----- Original Message -----
From: "Gerhard Hickl" <[email protected]>
To: <[email protected]>
Sent: Sunday, May 29, 2011 8:35 PM
Subject: LF: OE3GHB Grabbers
> Hello group!
>
> Both of my grabbers for LF and VLF are working normally again since
> yesterday evening. After a distant thunderstorm last week, the VLF
> grabber failed because of a damaged FET in the first stage of the
> E-Probe.
>
> I replaced the transistor and added three protecting diodes into the
> first stage. I hope this will solve the problem definitely.
>
> The LF-grabber which was not affected got stuck last Friday evening when
> the PC which is running all the instances of SpecLab hang. This also
> happened because of a local thunderstorm. So you see, on LF and VLF
> there are many other challenges beside propagation and noise.....
>
> LF:
> members.aon.at/grabber
>
> VLF:
> members.aon.at/grabber/VLF
>
> 73
> OE3GHB
> Gerhard
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