GRAV-D Informational Materials

• One-Page Fact Sheets
• Educational Materials
• Scientific Presentations
• Photo Gallery
• Popular Media Articles

One-Page Fact Sheets

pdf   NGS GRAV-D Project One-Pager

Educational Materials

ppt   NGS Gravity and Geoid Brown Bag Lunch Talk, January 19, 2010. "Geoid Computations At NGS: Where Are We And Where Are We Going?"

ppt  NGS Gravity and Geoid Brown Bag Lunch Talk, December 1, 2009. "GRAV-D on the Airfield: How we accomplish airborne gravity data collection." Also download these movies to view the entire presentation: movie1 (2Mb, gravimeter sensor self-leveling);  movie2 (186Mb, landing the NOAA Cessna Citation on St. Thomas, VI)  

ppt   NGS Gravity and Geoid Brown Bag Lunch Talk, November 3, 2009. "Airborne Gravity Processing 101."

Scientific Presentations

ppt   FEMA Briefing on the NSRS and GRAV-D, September 15, 2009.

ppt   GRAV-D Project Update presentation to the International Association of Geodesy conference in Buenos Aires, Argentina, September 2, 2009.

A comprehensive list can be found here for a range of audiences.

Photo Gallery

Under development

Popular Media Articles

Please verify facts in these articles with the GRAV-D program before reprinting or reusing this information.

html "National Geodetic Survey Seeks Participants for Kenematic GPS Challenge" GPS World, August 17, 2010.

html "Fixing the Flaws in North American Maps" Government Computer News, July 7, 2009. By William Jackson.