Perhaps you are referring to the TH7-DXX boom bracket. The TH7-DX uses a
side saddle bracket and perhaps that bracket may have been furnished in the
kit to convert the TH6-DX to a seven element antenna. The TH7-DX manual
refers to the TH7-DX as the Super Thunderbird.
I acquired the TH6 and TH7 PDF manuals from the HyGain site several years
ago. Please note that the manual was titled TH6-DXX.PDF. So perhaps HyGain
never actually updated the manual. I also have the TH7-DXX manual if anyone
is interested. It is titled TH7-DXX.PDF, but same as the TH6 manual it only
shows TH7-DX in the manual title.
Confusing...Yes. However its a great antenna. I have had mine for about 25
years and it was a freebie after a tornado took it down along with the
tower. I re-built it and have enjoyed its great performance since day one. I
replaced all the trap caps again about 13 years ago.
* 73's Jim W5IFP *
>[mailto:firstname.lastname@example.org]On Behalf Of Chris Pedder
>Sent: Thursday, October 15, 2009 11:40 AM
>Subject: Re: [TowerTalk] th6dx manual
>You guys (and gals) have done a great job in getting this very useful
>Unfortunately the manual is for the TH6-DX Thunderbird not the more
>recent TH6-DXX Super Thunderbird.
>The main difference is the boom to mast clamp which was
>upgraded with the DXX.
>Refurbished my DXX more than 20 years ago and still going strong!
>At 01:14 15/10/2009, Kathy wrote:
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