[Elecraft] K2/100 GOOD, Lightning BAD!

[frastephen@comcast.net]

Interesting post, Dave!

Got me thinking ... my tuner already has a 4:1 built into it ... but it
would make much more sense to get that balun outside the house!

Peace and 73,
Stephen
W3SMK
K2 #2644

----- Original Message -----
From: "Dave Johnson" <dave@astromag.co.uk>
To: <Elecraft@mailman.qth.net>; <kc4kgu@ENTERZONE.NET>
Sent: Saturday, June 01, 2002 7:29 AM
Subject: Re: [Elecraft] K2/100 GOOD, Lightning BAD!


> John
>
> Handling twin/open wire feeders attached to 500 foot of wire sounds like a
> good way to tickle your fingers... how about using a 4:1 voltage balun
with
> the centre tap taken to a ground rod? You can then deal with a sort length
> of coax without touching the feeder and the antenna has a DC ground at all
> times. I use the same type of balun outside the shack, about 3 foot of
coax
> straight through the wall to the back of the K2, antenna doublet.
>
> There is a diagram of the type I use at:
> http://www.rason.org/Projects/balun/balun.htm
>
> Tip: make two similar baluns and connect them "back to back", then try
> feeding RF through them to a power meter/dummy load to check for loss
across
> 1.8 to 30 MHz.
>
> 73's Dave, G4AON
> K1 #1154, K2 #1892
>
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