[Lowfer] Black Hole Antenna

[Zack Widup]

Hi John,

No, it kind of went on the "back burner." Maybe in a few weeks when we
finish a big project at work and I'm not workong 60+ hours a week I might
get to play around with it.

73. Zack W9SZ

On Tue, Jul 14, 2009 at 12:01 AM, John RABSON <john.rabson at numeo.fr> wrote:

> Hi Zack,
>
> Did you get anywhere with this?
>
> 73
> John F5VLF
>
> *********** REPLY SEPARATOR  ***********
>
> On 27/11/2007 at 23:10 Zack Widup wrote:
>
> >Hi All,
> >
> >I was wondering if any of you have built the so-called "Black Hole
> >antenna" for lowfer work.  I know quite a few of the people at the ULF-ELF
> >group I'm on are using them.
> >
> >The antenna is based mainly on the works of John F. Sutton of NASA and a
> >paper he wrote.  It is also described in US patent 5,296,866.
> >
> >I'm interested in using this antenna for an application in the 100 kHz to
> >1 MHz range with ferrite bar antennas. I have a couple questions about it.
> >For one, does the feedback loop use the same number of turns as the search
> >coil?  And what is the best way to electrostatically shield the two
> >windings?
> >
> >73, Zack W9SZ
> >_______________________________________________
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