[TenTec] Force 12 vertical dipoles used with my TT Scout

[W.D. (Doc) Lindsey]

Rick:

Yep they make some dedicated 40 Metre verticals which will simply knock
your socks off.  Highly recommended.  Go for it, I say!

73,
--Doc/K0EVZ
   Licensed since 1963 and
   100% QRP

> [Original Message]
> From: NJ0IP <Rick at DJ0IP.de>
> To: Discussion of Ten-Tec Equipment <tentec at contesting.com>
> Date: 7/12/2005 5:22:39 AM
> Subject: Re: [TenTec] Force 12 vertical dipoles  used with my TT Scout
>
> Thanks for the description Stuart.
> Actually I'm only looking for a 40m monobander.
> I believe they build those too.
> I really don't want to run a control wire to the darn thing because it
will
> be located quite some ways away from the house.  The feedline will be
going
> thru a remote coax switch and the control for the switch runs over the
> feedline, so I can't run antenna control through the coax.  It would have
to
> be an extra cable.
>
> I guess I'll write Force12 directly and ask them to describe their 40m
> version in more detail.
>
> Tnx agn.
> Rick
>
> -----Original Message-----
> From: tentec-bounces at contesting.com [mailto:tentec-bounces at contesting.com]
> On Behalf Of Stuart Rohre
> Sent: Monday, July 11, 2005 4:27 PM
> To: Discussion of Ten-Tec Equipment
> Subject: Re: [TenTec] Force 12 vertical dipoles used with my TT Scout
>
> We have several of the center fed Force 12 verticals of the Sigma V class
> for a project at work.
>
> They were also used for a ham operating event on the bands 20m and up.
>
> They work great, are very easy to use and can be put up very fast. 
Assembly
> is speeded by the use of wing nuts.
>
> Our models did condense salt water overnight at the beachside test site.
>
> That is easily removed from the "radome' covering the loading coils,
relays
> and centerfeed point by drilling a weep hole in the bottom of the cover
> housing.  In sustained salt water atmosphere you would have to rinse out
the
> housing with fresh water, but this is commonly done with other commercial
> antennas in seaborne service.
>
> They are very good shortened dipoles, using a combination of center
loading
> coils and horizontal rod capacity hats to resonate the 12 foot length as a
> 20m dipole.  The furnished control cable to the relay switch box is 50
feet,
> so you might have to add some for other installations.
>
> The coax feeder has ferrite beads over it at the feedpoint end to remove
any
> chance of RF on the outer shield back at the rig.
>
> -Stuart
> K5KVH
>
>
>
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