[Lowfer] VLF active antenna

[Ed Tanton]

And if they do, would you mind forwarding it? Thanks.

-----Original Message-----
From: lowfer-bounces at mailman.qth.net [mailto:lowfer-bounces at mailman.qth.net]
On Behalf Of Chris Trask
Sent: Thursday, December 16, 2010 1:38 PM
To: Discussion of the Lowfer (US, European, & UK) and MedFer bands
Subject: Re: [Lowfer] VLF active antenna

>
> E-probes get discussed pretty regularly on the list.  I might point 
> out
that
> there is a currently a series of tests running in The LOWDOWN on 
> commercially available compact LF/VLF antennas.  The December article
talks
> about the wide range of IM distortion figures among different 
> units...and the discrepancy between published specs and test results 
> can be pretty shocking...but it might give folks an idea of what sort 
> of performance
they
> ought to be shooting for.  The article is available as a free sample 
> for download on the lwca.org home page.
>

    The amplifier I designed in that one paper I mentioned earlier
outperforms all of these.  Does anyone have a copy of the October 2006 issue
of Lowdown and can somehow copy the Lankford ultralinear whip article?


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

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