"James" <jnipperxxx@[EMAIL PROTECTED]
> schrieb im Newsbeitrag
news:OemdnY9Xh4nUM-PanZ2dnUVZ_v2pnZ2d@[EMAIL PROTECTED]
>I plan to install a 2 meter radio in my 1980 CJ5 Jeep (softtop). My
>plan
> is to construct a mount that will attach to my rear tire mount. Because
> this will be a custom mount, I can have the base of the antenna even
with
> the top of the spare tire, or I can elevate it some for greater height.
I
> use this Jeep only in mountain areas. Here are some of my questions:
That's the best place to install it on this vehicle.
> 2. Is it best to have the antenna element fully above the top of the
top
> of
> the Jeep ?
It would be but difficult to realize with a lot of constraints.
> 3. If I use a spring to offer some protection for the whip, doesn't the
> spring add to the length of the antenna, and I would have to tune the
whip
> for resonance ?
Yes, you have to add every thing behind the feed point.
Keep in mind that a spring is an extra instability of this antenna, and
with
this length isn't necessary
> 4. What is the best (maybe strongest?) mount type ? I am accustomed
> to
> the 3/8" - 24 type stud mount. It seems strong to me. What are
the
> advantages of the NMO and other mount types for my purpose ?
In this case I would you recommend to use a 5/8 because the length would
be
maybe reach near the top of an installed hardtop then a 1/4.
73 Ralf, DL2MRB


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