Site Number: 50
Current Site Name: SEATTLE
Other Site Name:
Location: SEATTLE, WA
Geographic Region: NORTH AMERICA
Tectonic Plate: NORTH AMERICAN
Primary Scientific Purposes: MEASUREMENTS SUPPORTING THE NATIONAL GEODETIC SURVEY'S NATIONAL CRUSTAL MOTION NETWORK.
Site Description: THE SITE IS LOCATED ON THE WESTERN SHORE OF LAKE WASHINGTON, ON SANDY POINT, ON THE PROPERTY OF THE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION FACILITY, ON THE NORTHEAST SIDE OF THE POINT IN A GENTLE, SLOPING, GRASSY AREA AND AT 7600 SAND POINT WAY. N.E. THE STATION IS A STANDARD NGS DISK SET IN A SQUARE CONCRETE MONUMENT 26 CM ON SIDE LOCATED 16.4 METERS SOUTHWEST FROM THE EDGE OF LAKE WASHINGTON AND 36.9 METERS N-NORTHEAST FROM THE CENTER OF AN OLD PAVED ROAD.
Site Topo Map: UNKNOWN
Geological Province: NONE
Local Geology: UNKNOWN
Comments: NONE
Site Number: 50
Current Site Name: SEATTLE
Location: SEATTLE, WA
Number of Observing Monuments: 1
Surveyed into National Network? YES
Monument Number: 7229
Type of Monument: STANDARD NGS DISK
Monument Inscription: AVIATION 2 1982
Systems Using Monument: MOBILE VLBI
Latitude: N 47 41' 08.44932"
Longitude: W 122 14' 56.79934"
Elevation: 7.777 meters
Height Above Ellipsoid: meters
Survey Source/Date: NGS/1993 /
Datum/Ellipsoid: NAD83/ GRS 80
Comments: NONE
Differential Coordinates FROM Observing Monument 7229 TO Reference Monuments and Other Observing Monuments
Data Source:
Mon. Number Monument Inscription X Y Z
Mon. Number Monument Inscription North East Up
Site Number: 50
Current Site Name: SEATTLE
Location: SEATTLE, WA
Monument Occupying Occupation Starting Ending Number System Designator Date DateNo Previous Occupations
Monument Occupying Occupation Starting Ending Number System Designator Date Date 7229 MV-2 72295201 15-AUG-87 17-AUG-87 7229 MV-2 72295202 18-AUG-88 21-AUG-88