[Lowfer] VLF active antenna

[Chris Trask]

>
> Courtesy of the combined efforts of Steve Ratzlaff, Bill de Carle, and
John
> Reed, a reconstruction of the October 2005 "ultralinear active whip"
article
> is now in the library.  Thanks, guys!  It can be found at:
>
> http://lwca.org/library/articles/jreed/UltralinearActiveWhip.pdf
>
> I should point out that this unit is not well suited for the 1 - 30 kHz
> ELF/VLF range that Doug is interested in, but as designed and tested, is a
> respectable performer for LF.
>
> The original illustrations were no longer at hand and had to be scanned
from
> the publication, so we may revise the PDF to incorporate a redrawn
schematic
> later.
>

    I guess that what's really needed is the 1994 NRC article that fully
describes this amplifier.  Anyone have that handy?

Chris Trask
N7ZWY / WDX3HLB
Senior Member IEEE
http://www.home.earthlink.net/~christrask/