Description of CRS - TR_TUREF / TR_TM| Attribute | Entry |
|---|
| Country | Turkey |
| Country identifier | TR |
| CRS identifier | TR_TUREF / TR_TM |
| CRS alias |
|
| CRS valid area | Turkey |
| CRS scope | |
| CRS remarks |
|
| Datum identifier | TUREF |
| Datum alias | Turkish National Reference Frame |
| Datum type | geodetic |
| Datum anchor point |
|
| Datum realization epoch | 2005 |
| Datum valid area | Turkey |
| Datum scope |
|
| Datum remarks | TUREF is coincident with ITRF96 at epoch 2005.0 |
| Prime meridian identifier | Greenwich |
| Prime meridian greenwich longitude | 0° |
| Prime meridian remarks | |
| Ellipsoid identifier | GRS 80 |
| Ellipsoid alias | New International |
| Ellipsoid semi major axis | 6 378 137 m |
| Ellipsoid shape | true |
| Ellipsoid inverse flattening | 298.257222101 |
| Ellipsoid remarks | see Moritz, H. (1988): Geodetic Reference System 1980.
Bulletin Geodesique, The Geodesists Handbook, 1988,
Internat. Union of Geodesy and Geophysics |
| Coordinate system identifier | TR_TM |
| Coordinate system type | projected |
| Coordinate system dimension | 2 |
| Coordinate system remarks | |
| Coordinate system axis name | X / northing |
| Coordinate system axis direction | North |
| Coordinate system axis unit identifier | metre |
| Coordinate system axis name | Y / easting |
| Coordinate system axis direction | East |
| Coordinate system axis unit identifier | metre |
| Operation identifier | TR_TM |
| Operation valid area | Turkey |
| Operation scope | |
| Operation method name | Transverse Mercator Projection |
| Operation method name alias | Gauß Krüger Projection |
| Operation method formula | Transverse Mercator Mapping Equations, in Hooijberg,
Practical Geodesy, 1997, pages 81-84 |
| Operation method parameters number | 6 |
| Operation method remarks |
|
| Operation parameter name | latitude of origin |
| Operation parameter value | 0° |
| Operation parameter remarks | 0°, the Equator |
| Operation parameter name | longitude of origin |
| Operation parameter value | central meridians 27° E, 30° E, 33° E, 36° E, 39° E,
42° E, 45° E |
| Operation parameter remarks | central meridian (CM) of each zone |
| Operation parameter name | false northing |
| Operation parameter value | 0 m |
| Operation parameter remarks | |
| Operation parameter name | false easting |
| Operation parameter value | 500 000 m |
| Operation parameter remarks | zone differentiation by central meridian, coordinates
without zone number |
| Operation parameter name | scale factor at central meridian |
| Operation parameter value | 1.000 |
| Operation parameter remarks | |
| Operation parameter name | width of zones |
| Operation parameter value | 3° |
| Operation parameter remarks | |