Comments:
S210SF Nav files are YoNav, RTK-GPS, time GMT
Alviso Survey Control
The GPS RTK base station was located at Moffett Naval Air Station, on
a pre-existing benchmark identified as ARC 34.
The National Geodetic Survey (NGS) lists this monument as PID DG6881.
The coordinates used to program the base station were:
Latitude: N37 25' 34.57880" [NAD83]
Longitude: W 122 02' 05.53373" [NAD83]
Orthometric Height: 1.280m (NAVD88 height mod project elevation)
Epoch Date: 2007.0000
Note: This is the same reference frame and height datum that is
currently being used at the Dumbarton (Ravenswood) survey site.
