[ gpsdrive ] GPS with more precision.
roland.orre at gmail.com
Thu May 20 04:57:46 AKDT 2010
Here is one that goes down to the merely theoretical limit of 1 cm
but the price tag huh! 7000 USD
On Thu, May 20, 2010 at 10:05, Hamish <hamish_b at yahoo.com> wrote:
> Marc wrote:
>> If they say "a gps can only have 3 meter accuracy",
>> but then , they come with some gps, that has 3cm accurracy,
> provide real-time or post-processed corrections from a nearby
> surveyed position via a VHF signal, etc.
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