[Icom] 706 in Suburban

Dave Jeffries [email protected]
Thu, 4 Apr 2002 17:35:13 -0700


When I was in the USAF -TAC we were taught to pull them
down for NVIS comm (reduced range propagation) and run
them straight up for long haul shots.

Dave J
[email protected]

----- Original Message -----
From: "Erik Mellgren" <[email protected]>
To: <[email protected]>
Sent: Thursday, April 04, 2002 13:52
Subject: Re: [Icom] 706 in Suburban


> Something to consider when talking about how to mount an
antenna on a
> vehicle:
>
> The position of the antenna has a great influence on the RF
lobe for the
> transmitted energy. An antenna that is tied down close to
the metal surface
> of the vehicle will have a different impedance and thus
different SWR plus
> the radiation lobe will be very distorted and probably be
directed into the
> sky instead of horisontally. The possible range will then be
reduced.
>
> 73 de Erik/SM0JCA