KSA-VRF14 is the latest realization of National Vertical Reference System (NVRS) that is based on in-situ observations from Tide Gauge Stations, precise levelling, gravity data, satellite altimetry and GOCE data.
The main characteristics of KSA-VRF14 are as follows:
Height system type
|
Helmert-orthometric Above Mean Sea Level at JEDDAH Tide Gauge |
Least-Square Adjustment type |
Fixed geo-potential number above MSL of Jeddah TGBM-B |
Physical Realization Benchmarks |
National Vertical Network |
Physical Realization Grid Interpolation |
KSA-GEOID17/KSA-GRF17 |
Tidal system |
Tide Free |
Primary Benchmark |
Jeddah TGBM-B |
Latitude |
21.49981 [degree] |
Longitude |
39.16161 [degree] |
Fixed height above Mean Sea Level of Jeddah TGBM-B |
1.7446 [m] |
Epoch: |
2014.75 year |
For more information about KSA-VRF14 and transformation to other Vertical Reference Frames in KSA, you can check SANSRS Technical Summary (
Click here) (Page No. 19)