[Lowfer] RX Wire antenna at W4DEX

Dexter McIntyre W4DEX dexter.mc at gmail.com
Thu Jan 24 17:59:48 EST 2013


JJ wrote:
> The single turn loop that you used to have is what I am using.  My NS 
> loop is 250'X30'(max) and as low as about 20' in one place.  I feed it 
> in the center of the bottom leg with a 9:1 balun and 75 ohm catv 
> cable.  The EW loop is about half size of the NS loop. Neither use 
> amplifiers.  The baluns are made from toroids scrounged from a 
> computer PS and the wire is 22ga insulated copper (telephone wire).  
> The antennas are good performers on LF/MF/HF but I have to wonder if 
> the 9:1 baluns are proper and if I could improve performance.  I 
> suppose that if I ever put the effort into learning how to use a 
> modeling program, I'd find out.
>
Jon,
The loop here worked great while it was up.  After the second repair 
with a month I gave up and just used the remains as currently 
configured.  I didn't expect it to work so well and it is now.

LFBC is booming in here at sunset!

Dex


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