Free field tools

No login. Works on a field phone. Datum ITRF2020@2026.0 · Caster ntrip.bharatrtk.com:2101

Coordinate converter →

Lat/lon ↔ UTM + datum note (ITRF2020@2026.0). Quick field checks.

Baseline accuracy estimator →

How 1–3 cm fixed accuracy degrades with baseline length + ionosphere.

NTRIP settings guide →

Caster ntrip.bharatrtk.com:2101, mountpoints, per-brand controller steps.