Santa Ana: coordinates, UTM zone and magnetic declination
Survey data sheet for Santa Ana (United States) 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 Santa Ana in?
Santa Ana is in UTM zone 11N, with central meridian 117° W. In WGS 84, the city center is at E 419,618 m and N 3,734,284 m.
What is the magnetic declination in Santa Ana?
Today the magnetic declination in Santa Ana is 11.20° E, changing by −4.6′ 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 Santa Ana?
The geoid undulation (EGM2008) in Santa Ana is N = −35.03 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Santa Ana
- Anaheim 11 km
- Long Beach 30 km
- Los Angeles 49 km
- Riverside 49 km
- San Diego 132 km
- Bakersfield 209 km
- Henderson 367 km
- Las Vegas 367 km
- All cities in United States
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS