[OSM-talk] High-Precision GPS Survey Equipment?

[Ævar Arnfjörð Bjarmason]

On Mon, Aug 25, 2008 at 5:33 PM, Frederik Ramm <frederik at remote.org> wrote:
> What if you had a very light bluetooth GPS mouse and strapped it to a
> helium-filled baloon, you know, the toy shop/fun fair variety, then let it
> slowly ascend tied to a light yarn until you're at the top of the
> building... ;-)

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:)