[Antennas] Mobile Antenna Height

David Ashworth [email protected]
Sat, 01 Jun 2002 07:42:24 +0000


Hi Ray, I believe 13' 6" is standard for most trailers.  Used to drive the
big rigs, I have the 1998 Motor Carriers Atlas which list all states
bridges.  I would be happy to let you know what it has for your state. I use
a magnetic mount for 2 meters and it has been knocked off more times than I
choose to remember going down a back county road in the Sierras.  I think if
I had a High Sierra, unless it was mounted on the back bumper, it would take
all of my sheet metal away with the trees.  Let me know, no more 70 hours a
week, just 40.  73, Dave, NC6P

> From: "Ray Brown" <[email protected]>
> Organization: R.A.B.B.I.T. Ltd.
> Date: Fri, 31 May 2002 21:33:35 -0500
> To: <[email protected]>
> Subject: Re: [Antennas] Mobile Antenna Height
> 
> ----- Original Message -----
> From: Scott & Sherry Souva <[email protected]>
> 
> << Does anyone know what is the maximum height you can have for a mobile
> antenna? >>
> 
> I think, as a practical limit, I wouldn't go much above 10', or you'd risk
> hitting overhead tree branches.
> 
> << What about interstate bridges here in the states?  Is there a minimum
> height of the bridge structure to allow safe passage
> of large trucks and RVs? >>
> 
> Someone else answered, yes, the Interstate system has a minimum height of
> 13'6", except in certain spots (a couple of
> tunnels come to mind). If you're really serious about this, meander down to
> your local truck stop and buy the special version
> of the Rand McNally Atlas for truck drivers. It lists lots of bridge heights
> and other obstructions, on a state-by-state
> basis.
> 
> _Ray_        KB0STN
> 
> 
> 
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