Hi Arnie,
No truss support needed. It's a gull wing design like the older KLM yagi's
were.
It is a shorty forty so it is somewhat bandwidth limited.
As a dipole there is reasonable rejection off the ends.
I had mine for 15 years, fixed mounted and rotated with other antennas.
The only issue I had was where the folded loading structure attached to the
main element.
Over time mine developed some noise from a degrading connection, so I
strapped aroound it.
Otherwise, No issues.
73's Mike K9MK/5
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Arnie
Pfingst
Sent: Wednesday, January 27, 2016 10:38 AM
To: towertalk@contesting.com
Subject: [TowerTalk] Klm 40m-1
I have a chance to buy a klm 40m1 rotatable dipole. The fella said its on the
ground. He said he "refurbished it" he has some paperwork for it and a 5kw
balun with it. My questions are, does this antenna need a truss support and how
do I put one on, was this antenna really anything to write home about. How does
it compare to say... the cushcraft d40?Arnie Sent via the Samsung Galaxy S®6
active, an AT&T 4G LTE smartphone
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