[Yaesu] Re: [FT100] ATAS-100 mount on Explorer

[David Morse]

-------------------
Pres; see my message 16889; which goes something like this:

  one may use the Diamond K9000 motor drive mount with the
 > ATAS100, placing a ground strap between the antenna and mount and  
fixed
 > to the body of the vehicle ( i've been using a 1 in braid).
 >
 > The k9000 does have the torque to raise and lower the ATAS100; but, u
 > need a home brew bracket (cradle) to drop the antenna into when
 > lowering same. This keeps the antenna from bouncing around when  
lowered.
 >
 > Wind loading is a problem. At 50 mph the antenna will track backwards
 > at around 45 degrees. The built in spring that prevents (helps to
 > prevent) breakage if u hit something with the antenna is not strong
 > enough to hold the ATAS100 vertical.
 >
 > The ATAS100 presents too much torque moment (too heavy) for this K9000
 > mount.
 >
 > I've been testing this setup for abt a year now. It does work, but
 > requires planning and special mount plates and holes in the roof. I'm
 > using two K9000's, one for VHF/UHF and one for HF; on a Landruiser
 > FZJ80 e/w roof rack.
 >
 > I am now building a drive motor setup for the HF that has mucho  
torque.
 > It looks weird, but I think it will work ok.
 >
 > As a side note; even with the antenna in the cradle, the FT100 will
 > load up fb, I even worked Arabia that way a few months ago.

My new motor drive is mostly complete and does work. It is based on  
this:

http://www.allelectronics.com/cgi-bin/ 
category.cgi?category=400400&item=DCM-178&type=store

I also have the High Sierra mounted on the swing out tire carrier. Its  
not hooked up yet; too cold out for effective work.

 > David in Denver
 > k0dar


 > On Tuesday, November 26, 2002, at 03:10 AM, Pres Waterman wrote:

> Has anyone mounted the ATAS-100 on the roof of a Ford Explorer?
>
> If so, does it pose a hazard of striking trees or parking garages? How  
> do
> you handle that?
>
> Has anyone used the electric tilt-over mount available in Japan? Does  
> it
> adequately ground the antenna?
>
> Thank you.
>
> .Pres Waterman.W2PW
> c/o Patchogue 112 Ford//Kia 112
> Long Island Ford and Kia Dealer