CLSA Webinar – CSRC Mission

CSRC’s Mission and its Application to the Community 

Friday, August 22, 2025 | 12pm

Presented by – Gregory A. Helmer, PLS

This webinar will describe the collection of data, models, analysis and distribution that is the California Spatial Reference System. Pertinent to the practice of Professional Land Surveying, these include:

• California Spatial Reference Network (CSRN) with its latest Epoch 2025.00 realization,
• SOPAC archive of RINEX files and metadata for post-processed control surveys,
• MGViz network map and timeseries visualizer with GeoJSON export,
• CRTN real-time GNSS correction streaming with PRC compliant base station coordinates,
• SCIP 4d dynamic datum application updated weekly,
• References and guidelines for surveying accuracy and basis of bearings,
• Outreach and education through semi-annual Coordinating Council meetings and lectures,
• SIO Master of Science and PhD degree program in Geodesy.

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