Comparison of ITM, Irish Grid and UTM
| ITM | Irish Grid | UTM | |
|---|---|---|---|
| Reference Ellipsoid: | GRS80 | Airy Modified | GRS80 |
| Central Meridian: | 8° West | 8° West | 9° West |
| Scale on Central Meridian: | 0.999 820 | 1.000 035 | 0.999 600 |
| True Origin: | 53° 30’ North; 8° West | 53° 30’ North; 8° West | 0° 00’ North; 9° West |
| False Origin: | 600,000m West; 750,000m South | 200,000m West; 250,000m South | 500,000m West; 0m South |
| Vertical Datum: | Malin Head | Malin Head | ? |
| EPSG Code: | 2157 | 29902 | 32629 |
Read more about this topic: Irish Transverse Mercator
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