GPS used in survey equipment is accurate to 2cm with ~5 second acquisition time. | Hacker News

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macropin on Nov 28, 2022 | parent | context | favorite | on: GPS vs. Glonass vs. Galileo

GPS used in survey equipment is accurate to 2cm with ~5 second acquisition time.

onphonenow on Nov 28, 2022 | [–]

This may be differential gps with a local reference

BenjiWiebe on Nov 28, 2022 | [–]

RTK GPS can be 1cm accuracy with sub second time.

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