Source: EPSG:3406 — VN-2000 / UTM zone 49N
projected system measured in linear units (typically metres) · Area of use: Vietnam - east of 108°E onshore
+proj=utm +zone=49 +ellps=WGS84 +towgs84=-191.90441429,-39.30318279,-111.45032835,0.00928836,-0.01975479,0.00427372,0.252906278 +units=m +no_defs +type=crsMore about EPSG:3406 →