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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—Ralph Waldo Emerson (1803–1882)
“It is comparison than makes people miserable.”
—Chinese proverb.
“The rule for hospitality and Irish “help,” is, to have the same dinner every day throughout the year. At last, Mrs. O’Shaughnessy learns to cook it to a nicety, the host learns to carve it, and the guests are well served.”
—Ralph Waldo Emerson (1803–1882)