Don't do yourself down.

You need an accurate way of reading the manual, identifying the components, and an accurate method of measuring.

73

David W Wood

Ham call - G3YXX
FOC # - 1685
Licensed - 1969
 

-----Original Message-----
From: For blind ham radio operators [mailto:[log in to unmask]] On Behalf Of Curtis Delzer
Sent: Saturday, December 10, 2011 10:31 PM
To: [log in to unmask]
Subject: Re: high gain 640

hi, the construction was handled in about an hour by basically one 
guy, though he had experience with the antenna so . . . probably 
longer. I wouldn't recommend it being tackled by someone without sight though.


At 04:13 PM 12/10/2011, you wrote:
>Hi;
>Also how did the construction go?  Some antennas are much more of a 
>project than others.  Is this pole set in concrete?
>Richard
>
>
>----- Original Message -----
>From: Curtis Delzer <[log in to unmask]>
>To:  [log in to unmask]
>Date: Saturday, Dec 10, 2011 04:33:18 PM
>Subject: Re: high gain 640
>
> >
> >
> > I really like it! it seems to work well anywhere as long as it is
> > close to resonant on each of the bands it supports. It definitely
> > works well on ten meters and on 12, 17, and I've gotten good signal
> > reports on 20 and 40. It does need to be guyed, to keep it from
> > flopping around in high winds though it is rated for 60 MPH I
> > believe. Mine is mounted on a clothes line pole, have no ground
> > radials since it is advertised to work fine without them. One thing,
> > when installing, make sure that sections are tightened, and when the
> > cold weather sets in, it may get a little loosened, so the sections
> > need to be tightened, when the temps go down, particularly the jumper
> > straps around the loading coils at the top of the antenna.
> > Those bands have independent loading coils and capacity hat that are
> > connected by a series jumper straps, and if not guyed properly also
> > they flop around some, exacerbating the problems. I am truly
> > impressed with the antenna.
> >
> >
> >
> >
> >
> > Curt
> >
> > W B 6 H E F
> > Fessenden, North Dakota; 58438-7300
> >
> > At 10:35 AM 12/10/2011, you wrote:
> > >Hi;
> > >I believe someone mentioned they were using the high gain 640.  Finally
> > >got around to looking at it and looks quite interesting.  Like the fact
> > >that each band is supposedly tuned independently.  Do you have it ground
> > >or roof mounted?  How has the band width and performance been?
> > >
> > >--
> > >richard


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