Jan van Sickle

International Terrestrial Reference Frame (ITRF)

June 16, 2015

The Geoid

June 8, 2015

Real-Time Network Services

May 19, 2015

State Plane Coordinates: Geodetic Azimuths and Grid Azimuths

May 1, 2015

State Plane Coordinates: Geodetic Lengths to Grid Lengths

April 22, 2015

Earth-Centered, Earth-Fixed

April 15, 2015

Hard Copies: More Harm than Good

March 23, 2015

Update on Unmanned Aerial Systems (UAS) Authorizations from the Federal Aviation Administration (FAA)

March 11, 2015

Ensuring Longevity in the Geospatial World

February 22, 2015