[Elecraft] OT: B & W antenna

[Ken G Kopp]

The B & W antenna was/is a T2FD.  I have several rolled up in my shed, and
all National Guard armories in Montana have them in use.

73 - K0PP
On Dec 9, 2015 19:00, "Charlie T, K3ICH" <pincon at erols.com> wrote:

> I forget the name of it, (MAX-something) but there was an "antenna"
> produced back in the 70's that consisted of a sealed center box with a coax
> connector on the bottom and two eyes to attach dipole wires.  The ads
> claimed good match from 80 thru 10 M.  It was basically a 50 Ω
> non-inductive resistor across the feed line which also connected to the two
> eyes.  It was potted, so you had to destroy it to see what was inside.   If
> did in fact radiate a little and of course provided a decent match to the
> coax.
>
> Another "slightly" more efficient antenna was produced by the venerable B
> & W Company and sold as a wide band dipole.   It's coax feed point had a
> 6:1 balun which fed a fairly wide (12" ??) spaced 90 foot folded dipole
> which was terminated with a 600 Ω  *resistor in the center, physically
> right above the center fed balun.  We had one at Microlog and used it quite
> successfully on the HAM bands as well as the Marine SITOR freqs, however, a
> random 100 foot dipole fed directly with coax thru an MN-2700 generally
> worked better.
>
> My point here is that there is a wide range of antenna types & performance
> and they all work to some degree.
>
> Hard to beat a simple resonant dipole though.
>
> I agree with Joe.  Nothing wrong with traps either, especially since
> there's no 'tuner' required.
>
> 73, Charlie k3ICH
>
>
>
> *  (Might be wrong on the value....seems it should be 300 Ω.  Then again,
> maybe the balun was 12:1)
>
>
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