[TowerTalk] Force12 Inquiry

[Jerry Keller]

Yes, John, but do you really LIKE it?   ;-)

Seriously, thanks for taking the trouble for the in-depth report... I too am
looking at this antenna,among a very few others, and your info is very much
appreciated.

Jerry K3MGT

----- Original Message -----
From: "WA9ALS - John" <wa9als@starband.net>
To: <KD4OL@aol.com>; <towertalk@contesting.com>
Sent: Thursday, August 23, 2001 4:47 PM
Subject: Re: [TowerTalk] Force12 Inquiry


>
> > Does anyone have any experience with the Force12, C31XR?  I would
> appreciate
> > comments on this antenna.
>
> > Does anyone have any experience with the Force12, C31XR?  I would
> appreciate
> > comments on this antenna.
>
> A+
>
> Mine has been at 72 ft on my Glen Martin Tower for 2 yrs, including
survival
> of 2 Indiana spring winds and winters.  It went together easily - I really
> liked the riveted design.  Out of many, many rivets, only about 2 holes
were
> malaligned - trivial to drill new hole with 1/8 in bit as I recall.
>
> Since I was using the Glen Martin Hazer, I was able to attch the boom to
the
> mast at about 7 ft off the ground and build the rest of the elements using
a
> stepladder - EASY!
>
> I checked SWR with an MFJ analyzer with about 100ft of Bury-Flex with the
> antenna about 30 ft up.  Later with that 100 ft Bury Flex and another 550
ft
> LMR-600DB in the line, and the yagi at 72 ft, the SWR was almost the same
as
> it was during the test situation.  I did not suffer the so called "15M
> problem" that some have described on the reflectors.  My worst SWR is
about
> 1.5 at 14080.  Everywhere else it's lower, and it's only about 1.2 across
> 15M.
>
> They will tell you some stuff about running the parallel feed lines close
> together to avoid swr problems on 15M - I did it that way, but I also
tested
> it with wider spacing and it was still good!  THus I don't understand this
> "problem" at all!  I just put it together like the manual said, and it has
> worked beautifully ever since first reaching it's full height 2 yrs ago.
I
> keep telling myself that I should bring it down for an inspection - maybe
> this fall.....??
>
> I use the B-1 balun, and it has stood up to the Wx and to 1000-1500W of
RTTY
> contesting for 2 yrs without a hitch - the SWR is exactly the same as it
was
> 2 yrs ago.
>
> Does it get out?  SURE!  You can get some specific gain data as actually
> measured in Steve's Tribander Comparison report.  As I recall, the C31XR
was
> one of the antennas that measured the closest to advertised specs in those
> tests.
>
> Good luck - If you want a tribander without traps to worry about, easy
> assembly, and great gain and F:B, I don't see how you could go wrong with
> the C31XR.
>
> KD4OL -> I have some photos if you're interested.  There's also a F12
> reflector you might be interested in.  GL- 73
>
>
>
> List Sponsored by AN Wireless:  AN Wireless handles Rohn tower systems,
> Trylon Titan towers, coax, hardline and more. Also check out our self
> supporting towers up to 96 feet for under $1500!!
http://www.anwireless.com
>
> -----
> FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
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> Problems:                 owner-towertalk@contesting.com
>


List Sponsored by AN Wireless:  AN Wireless handles Rohn tower systems,
Trylon Titan towers, coax, hardline and more. Also check out our self
supporting towers up to 96 feet for under $1500!!  http://www.anwireless.com

-----
FAQ on WWW:               http://www.contesting.com/FAQ/towertalk
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