[TowerTalk] ID Beam Antenna

[n8de at thepoint.net]

Chuck,
Sounds to me like a HyGain TH-4 antenna, which is a 3-element  
tribander with an extra 10m element.  It COULD be a DB-1015 which is a  
duobander.

Are you sure the extra ten meter element isn't an extra director?
Don
N8DE

BTW .. have many QSLs from your African activities, but never got 14  
SSB confirmed.  It was only about 20 years ago.

Quoting Chuck N7BV <ck2jones at yahoo.com>:

> GE,
>
> For Field Day an older member of our club offered up
> an old (possibly 20 years old?) antenna which we need
> to ID and find a manual.for it.
>
> It is a 4 element antenna - probably HYGAIN as it has
> an almost identical center insulator and boom mount as
> a HYGAIN 204BA.   Boom length is 18 feet.
>
> Three of the elements have a single trap and are mark
> with manufacture/s labels Radiator, Director and
> Reflector.   There is a separate reflector which is
> about 17+ ft for 10m between the DE and the Trapped
> Reflector.
>
> It has a parallel Beta Match and BN-? balun.
>
> With the reflector on the ground and the boom vertical
> we see 1.2:1 at 14175; 2.5:1 at 21050; and 1.2:1 at
> 28.154.
>
> Suspect this is a dual bander 20m and 10m, but need
> the model to track down an manual so we can check
> measurements.
>
> Thanks for the help.
>
> 73, Chuck N7BV
> EX:  6W8FP 9L1CA CN8ES
>
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