Federal Geodetic Control Subcommittee Update to Coordination Group Juliana Blackwell Subcommittee Chair Director, National Geodetic Survey 9 December 2014 Coordination Group Meeting

2 Introduction This subcommittee coordinates geodetic data-related activities among 24 Federal and non-Federal agencies and will report its activities to FGDC.

3 What are Geodetic Datums?

4 Geodetic Control Theme - Data Sets Data setcontact Airborne Continuously Operating Reference Stations (CORS) Geoid Geodetic Control Information on Passive Marks

5 Recent Meetings The subcommittee met on 24 July 2014 The topics discussed at this meeting include: Geodetic Control Theme content on geoplatform.gov Photo-identifiable control points ISO registry of Geodetic Codes and Parameters CORS update New datums communication plan

6 Recent Developments/Projects Geopotential Datum GRAV-D: ~38% done Iowa Geoid Slope Validation Survey completed GRAV-D status, May 2014 Green: Available Blue: Data being processed Orange: Data collection underway White: Planned for data collection

7 Next Meeting JAN 2015 Some of the topics to be discussed at the next meeting include: Bluebook (database input and format) changes Plans for April 2015 Geospatial Summit with the National Society of Professional Surveyors

8 Next Steps In the coming months, the FGCS plans to: Continue to prepare for the new geometric and geopotential datums Plan for April FGCS meeting

9 Questions? Juliana Blackwell Subcommittee Chair Director, National Geodetic Survey