RE: LF: RE: Wellbrook Loop

[Terry GW0EZY <gw0ezy@sky.com>]

Hi Chris

I didn't realise you were a member of this group. Thanks for the link - I have 
been studying your other paper on complementary push-pull amplifiers for active 
antennas but hadn't seen your loop paper.

Very helpful.

73 Terry

-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org 
[mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Chris Trask
Sent: 16 December 2011 13:15
To: rsgb_lf_group@blacksheep.org; rsgb_lf_group@blacksheep.org
Subject: Re: LF: RE: Wellbrook Loop

>
> I am looking for a suitable circuit to use with the blown
> loops (they are not completely dead but have a serious loss
> of sensitivity but disassembly is certain to destroy the
> loop amplifier). I suspect it's not so easy to form a 1
> metre loop with aluminium tubing so the loops can be
> re-used for experiments.
>
> I was thinking something along these lines:
>
> http://www.pm.keirle.com/3_radio/hf_loop_ant/hf_loop_ant.htm
>
> http://www.ik4hdq.net/doc/testi/smlloop.pdf
>
> http://www.vlf.it/looptheo7/looptheo7.htm
>
> http://www.vlf.it/lowfloop/lowfloop.htm
>

     You might want to add this to your list of suitable alternatives:

http://www.home.earthlink.net/~christrask/Paper009.html


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