|[AMRadio] new antenna and matchbox a bust.|
brett.gazdzinski at verizonbusiness.com
Mon Jan 29 21:14:13 EST 2007
Sounds like an interesting antenna!
I must say, I do not trust baluns at high
swr, high power, or on AM, but you can get lucky.
I heard some people ran fine till the band change went
into effect, and when they slid down the balun caught fire!
> Yep, that length of VN era comm wire is the longest string
> I've ever raised here, but it fits.
> Going to the loop design I know did this: My Antenna Loading
> Control capacitor is now fully meshed while tuned to 160,
> 80,and 40 meters. I use about all the inductor on 160
> though. On 80 and 40 the inductor uses but a 1/4 of it's
> range of inductance. Antenna pattern, well I know something
> has changed (I know, well duh), It seems to be able to "hear
> and talk further". The fully loaded antenna loading
> capicator speaks for that ie getting more fire into the wire.
> My run of the mil off the shelf 1:1 tuner has never burned
> up, and the 10 feet of 213 coax had not given me any apparent
> problems. In fact, I did that design (getting the feedline
> throught the wall) by the suggestion from an engineer at one
> of the commerical manufactures of balums, antenna phasing
> units and such. They advertise every month in qst. Told me
> to specifically use a 1:1 at first attempt. And if it did
> not self distruct to stick with it and use the minumum amount
> of coax between the balum and tuner.
> Robert W4RL
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