[Elecraft] Balun with a G5RV?

Tue Apr 23 21:01:00 2002

On Sun, 21 Apr 2002 07:42:47 -0400 "Tom Crites" <[email protected]>
writes:
> I am using a G5RV antenna with my K2 (with KAT2 tuner) fed with 60 feet
of 50
> ohm coax.  I've been trying to figure out if I need a balun between the
450
> ohm ladder line and the coax.  Will a balun improve the antenna
performance
> or just help keep RF out of the shack?  My existing setup with no balun
is
> marginal on 10 meters.  With the G5RV I've seen suggestions just
needing just
> a tuner, to a 1:1 air-core choke balun, a 4:1 balun, 75 ohm 
> coax,...., etc.
> 
I am using a 4:1 balun with my G5RV antenna.  This one is 102' long with
31' of
450 ohm ladder line.  I have been able to get a 1.5:1 or better SWR on
all bands
from 160m to 10m.  Without the balun I would probably not be able to
achieve that
on some bands.

73,
Mike WA3KYY K2 S/N 2221

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