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

Hacker Newsnew | past | comments | ask | show | jobs | submit

		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.

Consider applying for YC's Summer 2026 batch! Applications are open till May 4
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact