Re: Topband: 'Hairpin' matching

[John Chappell G3XRJ <john@g3xrj.com>]

Just measured the 'hairpin' coil for my 160m 38 foot top loaded - coil 
and 2 x 18 foot wires - antenna.
Feedpoint  impedance without match is 12 ohms.
Placing shunt coil to ground of 1.7microH and tx sees 50 ohm 1:1.

Only problem with the vertical being so short the  bandwidth is only 12 
khz between 2:1 points.
John G3XRJ


> The excellent web site for calculating matching network values should have been:
>
> http://home.sandiego.edu/~ekim/e194rfs01/jwmatcher/matcher2.html
>
> not the one I posted yesterday.
>
> 73,
> Tom G3OLB
>
> _________________
> Topband Reflector
_________________
Topband Reflector