GPS for range testing radio devices?

On Tue, 13 Nov 2007 08:38:45 -0800, in comp.arch.embedded larwe
<zwsdotcom@gmail.com> wrote:

>I often need to do range tests on short-range radio devices from 500
>to at most about 25,000 feet separation. A clear line of sight for
>laser rangefinding is not always possible. Measuring the range using a
>GPS is simple enough; just set a waypoint at the fixed end, tell the
>GPS "navigate to that waypoint" then walk away with the other end of
>the link.
>
>However, is there an off-the-shelf GPS receiver that will show these
>sorts of distances *in feet*?
>
>Most handheld devices show a limited number of digits onscreen, so the
>accuracy drops as you move away: it will quote the range in feet up to
>perhaps 500 feet, then switch to fractions of a mile.
>
>While money isn't exactly an important factor, I'd like to keep it
>under US$1k.
>
>Thanks for any advice.
Probably not relevant/ silly idea :-(  but are there any plugins for
google earth that could help you?


Martin