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Gundupālaiyam: coordinates, UTM zone and magnetic declination

Survey data sheet for Gundupālaiyam (India) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.

Latitude11°56′27.5″ N
Longitude79°48′10.6″ E
Decimal degrees11.94096, 79.80294
UTM zone44N · MC 81° E
UTM (WGS 84)E 369,652 · N 1,320,307
Scale factor (k)0.999810
Grid convergence−0.2477°
Magnetic declination (today)1.22° W · +1.8′/year
Geoid undulation (EGM2008)N = −92.36 m
Approximate elevation10 m
Time zoneAsia/Kolkata (UTC+5:30)
Population300,104

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)

StationLocationDistance
GDKG GDKG00INDGadanki, India182 km
IISC IISC00INDBangalore, India271 km
SGOC SGOC00LKANarahenpita, Colombo, Sri Lanka561 km

Tools to use here

FAQ

What UTM zone is Gundupālaiyam in?

Gundupālaiyam is in UTM zone 44N, with central meridian 81° E. In WGS 84, the city center is at E 369,652 m and N 1,320,307 m.

What is the magnetic declination in Gundupālaiyam?

Today the magnetic declination in Gundupālaiyam is 1.22° W, changing by +1.8′ 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 Gundupālaiyam?

The geoid undulation (EGM2008) in Gundupālaiyam is N = −92.36 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Gundupālaiyam

© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS

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