General Santos: coordinates, UTM zone and magnetic declination
Survey data sheet for General Santos (Philippines) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.
Values for the city center (GeoNames coordinate). Declination from the World Magnetic Model 2025 for today's date; geoid from EGM2008. For an exact point, use the tools below.
Nearest GNSS reference stations (IGS)
Tools to use here
FAQ
What UTM zone is General Santos in?
General Santos is in UTM zone 51N, with central meridian 123° E. In WGS 84, the city center is at E 740,344 m and N 676,157 m.
What is the magnetic declination in General Santos?
Today the magnetic declination in General Santos is 1.28° W, changing by −3.3′ per year (WMM2025 model). To get the true azimuth, add the declination to the magnetic azimuth (East positive, West negative).
What is the geoid undulation in General Santos?
The geoid undulation (EGM2008) in General Santos is N = 70.49 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near General Santos
- Davao City 117 km
- Malingao 140 km
- Budta 146 km
- Cotabato City 160 km
- Iligan City 252 km
- Iligan 257 km
- Cagayan de Oro 270 km
- Butuan 318 km
- All cities in Philippines
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS