CQK8DO@aol.com wrote:
> Borrow an altimeter for an airplane... Walk out to the base of your tower and
> set the altimeter to read a value you consider to be a zero altitude, such as
> 1000 ft, etc......Get a local street map and drive around and mark down the
> elevations as plus or minus altitudes compared to the base of your tower...
>
> Cheers ... Denny
>
Have done this many times. Works ok but must not try to use in
vehicle if your initial spot (tower) was not in vehicle. (Vehicle air
conditioner would affect reading). Tap or thump unit just prior
to each reading. Return to first point (tower) at end just to make
certain it still reads same. If barometric pressure changes during
use an error will occur.
Lyn, W4WDN
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