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Click on day/link to download data for that day

Haselbach Surveying Instruments is proud to announce the launch of our TMSB Cooperative CORS Base Station! We are a member of the National Geodetic Survey Cooperative CORS network.

Static and Real-Time Data
Our TMSB receiver system, located in West Sacramento California, is set up to collect 5 sec. static RINEX data in a daily file while simultaneously broadcasting Real Time Kinematic (RTK) corrections . To download static RINEX data please click on the appropriate date in the calendar above. To move ahead or back a month, please click on the arrows in the upper portion of the calendar. To learn more about becoming a subscriber to RTKMAX, our RTK correction service utilizing RTK/IP please click HERE

Hardware
Our TMSB CORS system operates with 12 channel, 10hz, dual frequency GPS receiver (Leica RS500) and a choke ring antenna with radome (Leica AT504) designed by the Jet Propulsion Laboratory, capable of providing up to 3mm +/- 0.5 ppm accuracy in a post processed static mode.

GPS Antenna Position and Site Log

• GPS Antenna Position
• Site Log

RINEX Data
The RINEX GPS data contained in this site is in a zip RINEX format. The data is kept for the most recent 30 days in this site. The 31st day is automatically archived and then removed from this site. You may Contact Us For data older than 30 days. Please note a fee may be involved on an archived data request, based on the age, amount of data requested and medium of transportation.

West Sacramento Looking West	West Sacramento Looking East