[TenTec] OT: Indoor antenna

[Rick - NJ0IP / DJ0IP]

John,

It costs quite a bit more, but a good Magnetic Loop antenna will outperform
a piece of wire indoors.
The down side is the narrow bandwidth of the magnetic loop.
The only commercially available product I know of here is the MFJ-1788.
It covers 40 thru 15 meters.

When my uncle went to assisted living, I built him a magnet loop.
He was able to continue to maintain his daily skeds on 40m SSB, even though
he had only 100w and the indoor loop.

In Europe there are a couple of additional sources, but their cost and
especially the shipping cost makes them unattractive here.

See: http://mfjenterprises.com/Product.php?productid=MFJ-1788 

73
Rick

-----Original Message-----
From: tentec-bounces at contesting.com [mailto:tentec-bounces at contesting.com]
On Behalf Of John B. Egger
Sent: Sunday, November 07, 2010 3:57 PM
To: TenTec at contesting.com
Subject: [TenTec] OT: Indoor antenna

A friend (a Tech+) with an Icom 718 and a manual MFJ tuner will have to 
use an indoor antenna due to restrictions. I'm trying to help her get on 
40 meter HF. I was going to try simply a wire with a ground 
counterpoise, but I'm not sure what length to use. I think there are 
some principles about best lengths, and those to avoid, but don't 
remember what they are. Any help, or links elsewhere? Googling "amateur 
radio indoor antenna" gave some ideas, but nothing about this question 
of lengths.

-- 
---John K3GHH
Registered Linux User #291592
Kubuntu Maverick Meerkat, KDE 4.5.1

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