GPS Base Station Data

The SFML posts TRS GPS base station receiver data for reference stations located at the California State University Monterey Bay (CSUMB) and Elkhorn Slough Estuarine Research Reserve (ESNERR- shut down). Follow the web links below to access GPS files available for postprocessing.

CSUMB Reference Station
Location: California State University, Monterey Bay, Seaside, Ca
Base station software: Trimble TRS ver. 1.05
GPS receiver: Trimble 4700
Antenna: Trimble Permanent L1/L2 23903.00
Logging interval: 5 s
Position: 36° 39' 9.68169 " N, 121° 47' 37.98621 " W
Antenna Reference Point (ARP) height: 43.978 m
Elevation Mask: 10 °

Note: Coordinates are for the antenna reference point (ARP) position in the NAD_83(2011)(EPOCH:2010.0000) reference frame.

CSUMB GPS Data Download

ESNERR Reference Station
Note: As of April 20, 2013 the ESNERR Basestation has been shut down and removed from the visitor centers site at the slough.
Location: Elkhorn Slough National Estuarine Research Reserve, Elkhorn, Ca
Base station software: Trimble TRS ver. 1.05
GPS receiver: Trimble 4700
Logging interval: 5 s
Position: 36° 48' 59.73298" N, 121° 43' 47.91186" W
Antenna Phase Center (APC) height: 11.000 m

ESNERR GPS Data Download