National Spatial Reference System
GPTKB entity
Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geodetic reference system
|
| gptkbp:abbreviation |
gptkb:NSRS
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:established |
1980s
|
| https://www.w3.org/2000/01/rdf-schema#label |
National Spatial Reference System
|
| gptkbp:includes |
gptkb:CORS_network
height latitude geoid models gravity measurements longitude survey marks |
| gptkbp:maintainedBy |
gptkb:National_Geodetic_Survey
|
| gptkbp:notableRelease |
gptkb:modernized_NSRS_(2025)
|
| gptkbp:purpose |
define coordinate system for mapping and surveying
|
| gptkbp:referencePoint |
gptkb:GRAV-D
gptkb:NAVD88 NAD83 |
| gptkbp:replacedBy |
gptkb:North_American_Datum_of_1927
gptkb:North_American_Vertical_Datum_of_1929 |
| gptkbp:usedFor |
gptkb:navigation
mapping engineering projects land surveying |
| gptkbp:website |
https://geodesy.noaa.gov/datums/
|
| gptkbp:bfsParent |
gptkb:NOAA_National_Geodetic_Survey
gptkb:NSRS |
| gptkbp:bfsLayer |
6
|