Ken Kaplan wrote:
Dave (et al):
I pass that large array (at the FAA, LI MacArthur Airport)
every day on the way to work. I have been wondering for years how to get
my K2 hooked up to it. I have friends who work there, but alas, they
have no good connections..hi.
73
Ken WB2ART
Those things have been around for decades. There was one on top of the
WW2 wooden hangar at Galena AFS AK [KL7FBK] when I first arrived in
early 1963. They are impressive to see, extremely wide bandwidth [most
of the HF spectrum] but not much gain. Huge rotator, and somewhat hard
to aim because of the large moment of inertia. However, F/B ratio was
also low so precise aiming wasn't needed. The basic idea behind a
log-periodic is that only a couple of elements are active on any given
frequency, so electrically, they're not nearly a big as they look. You
could hook it to your K2, but you'd be disappointed.
The military ran engineered circuits, and the flat response was the
reason the L-P's were so ubiquitous on military posts. From Galena, we
generally checked into an early morning weather net [on 20 I think], and
the 3 el tribander was much better than the L-P.
73,
Fred K6DGW
- Northern California Contest Club
- CU in the 2007 CQP Oct 6-7
- www.cqp.org
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