[Hallicrafters] Re: 2M

[Rich Oliver]

Joe,

Here is a more serious reply.  Consider using a J-Pole antenna.  The 
J-pole uses an ungrounded feed so there is no need to tie it to 
anything; you can do the installation with nothing grounded beyond the 
rig itself.  That will go a long way toward decoupling the car from the 
RF.  As a bonus the J-Pole is a dynamite antenna for mobile use, 
outperforming any 5/8 wave I have seen.  I know the books claim a 5/8 
has a bit more gain toward the horizon but that is only true with a 
perfect ground plane.  The reality is that no car roof is even close to 
a perfect ground plane.  The J-Pole just doesn't care about that and you 
can mount it as high as practical to maximize gain.  A fringe benefit is 
that picket fencing is much reduced with the J-Pole in mobile service. 
Can you tell I love it?

73, Rich, KC9GQ

k7mks wrote:
> 
> 
>   I apologize for being off the subject matter but does anyone know a reflector that I might use to discuss a 2m installation in an new auomobile that the manufacturer says  not to exceed 3W of 2m power.  Tried to get the SX-101A/HT-32B under the dash but that will not happen!
> 
>   Thank you,
> 
>   Joe k7mks
> 
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