A DB-1015 does not have an 18 foot boom, and it has 3 elements only. It's a
really tiny antenna.
I don't know about the TH-4 but I had an old TH-3 and the hardware was not
what we think of as "modern day HyGain." If it has "modern day HyGain"
hardware, then it is undoubtedly a HyGain, unless someone at some point
cobbled together an antenna. Do you have any photos of it you could post,
----- Original Message -----
To: "Chuck N7BV" <email@example.com>
Sent: Monday, June 18, 2007 10:41 PM
Subject: Re: [TowerTalk] ID Beam Antenna
> 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
> Are you sure the extra ten meter element isn't an extra director?
> BTW .. have many QSLs from your African activities, but never got 14
> SSB confirmed. It was only about 20 years ago.
> Quoting Chuck N7BV <firstname.lastname@example.org>:
>> 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
>> 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
>> Suspect this is a dual bander 20m and 10m, but need
>> the model to track down an manual so we can check
>> Thanks for the help.
>> 73, Chuck N7BV
>> EX: 6W8FP 9L1CA CN8ES
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