[TowerTalk] TH-7DXX vs. TH-6DX

[Bob AD5VJ]

Hi Eric

Thanks very much for the assessment this helps a lot. I am now leaning more
toward making a totally different antenna out of the 7 and erecting the 6 in
the meantime.

Bob AD5VJ

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of Eric - VE3GSI
> Sent: Tuesday, March 30, 2010 5:57 PM
> To: Towertalk e-Goups
> Subject: Re: [TowerTalk] TH-7DXX vs. TH-6DX
> 
> Bob,
> 
> My experience with a TH6 at 56 foot and a TH7 at 70 foot on two towers
> at
> the same time was as follows. By-the-way, the rigs used were identical
> Icom
> Pro III's.  For the most part on 20 meters the signal strengths were
> almost
> always the same, most always I could work the same DX on each antenna
> while
> on 20 meters.  On 15 and 10 meters there were times when propagation
> was
> poor the TH7 would net me a few extra points in a contest, perhaps this
> was
> more due to the height difference than antenna, but if the band was
> good
> again not much difference. I really seen no difference in the front to
> back
> ratio with either antenna.
> 
> At the time, the TH6 was the choice for the smaller tower due to
> loading
> concerns. We are now at a new QTH and will be using the same antennas
> again
> - as soon as my wife gets the two holes dug. <big grin>
> 
> GL Eric - VE3GSI
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Bob AD5VJ
> Sent: March-30-10 11:59 AM
> To: towertalk at contesting.com
> Subject: [TowerTalk] TH-7DXX vs. TH-6DX
> 
> Has anyone compared these two antennas Hygain TH-7DXX vs. TH-6DX in
> real
> life? I don't see much difference in the manuals except one is supposed
> to
> be more broadbanded and is much more complex for feed and heavier.
> 
> They both have four active elements on 10 and 3 active elements on
> 15&20.
> 
> I have an option of putting up one or the other to replace my Hornet
> tribander. According to manuals looks like either one has about the
> same
> gain and front to back comparing the two of them so putting up the 6
> element
> would put less stress on the tower.
> 
> But either one would increase forward gain 5 db and abt 7 db more front
> to
> back compared to the Hornet.
> 
> 73,
> Bob AD5VJ
> 
> 73,
> Bob AD5VJ
> 
> 
> 
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