ETRF93 to ETRF2000 (1)
EPSG:10935±0.01 m- Method:
- Time-dependent Position Vector tfm (geocentric)
- Area of use:
- Europe - ETRF
- Scope:
- Merging of spatial data referenced to different national realizations of ETRS89 at the sub-decimetre level of accuracy.
| Parameter | Value | Unit |
|---|---|---|
| X-axis translation(tx) | 57.1 | millimetre |
| Y-axis translation(ty) | -6.1 | millimetre |
| Z-axis translation(tz) | 1.1 | millimetre |
| X-axis rotation(rx) | -0.919 | milliarc-second |
| Y-axis rotation(ry) | -1.71 | milliarc-second |
| Z-axis rotation(rz) | -1.042 | milliarc-second |
| Scale difference(ds) | -2.07 | parts per billion |
| rate tx | 2.9 | millimetres per year |
| rate ty | 0.2 | millimetres per year |
| rate tz | 0.6 | millimetres per year |
| rate rx | -0.129 | milliarc-seconds per year |
| rate ry | -0.1 | milliarc-seconds per year |
| rate rz | -0.192 | milliarc-seconds per year |
| rate ds | -0.01 | parts per billion per year |
| epoch | 2000 | year |
Derived from concatenation of ETRF93 to ITRF93 (CT code 7936, with direction reversed) reduced to epoch 2000.00 and ITRF93 to ETRF2000 (CT code 7946) reduced to epoch 2000.00. Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m.