March 16, 2013 Add support for Network Design (Pre-Analysis). Fix manual reporting and CSV generation after adjustment.
February 3, 2013 Add support for NGS deflection modeling (Deflect12A) for Conus, Alaska, Hawaii, Guam, Puerto Rico and Samoa.
January 16, 2013 Add support for user-definable Stereographic Double projection.
October 28, 2012 Add support for computing several different inverse results (1D, 2D and 3D).
August 20, 2012 Added support for NGS Geoid Model 2012 Version A.
July 7, 2012 Added support for NGS Geoid Model 2012.
June 19, 2012 Chi Sqr Test on Variance Factor not performed for 1D networks weighted by distance or number of setups.
June 6, 2012 Added Upload Project option to quickly upload an existing project file to the cloud.
May 20, 2012 Added coordinate values for each station on the Adjust page (Station Select grid).
May 9, 2012 Added support to save the selected traverse (or loop closure) route into the cloud.
May 1, 2012 Added tool for computing 1D, 2D and 3D traverses and loop closures.
Mar 5, 2012 Added tool for transforming geodetic coordinates to/from grid coordinates.
Feb 22, 2012 Added tool for exporting stations (with lat/lon) to a Google KML file.
Feb 17, 2012
  • Added adjusted inverse reports.
  • Rearranged tabs and order of reports.
Feb 11, 2012 Redesigned the geoid modeling user interface.
Feb 7, 2012 Added sample file selection(s) in Data and Adjust By File pages.
Feb 1, 2012 Fixed coordinate observation count in adjustment summary report.
Jan 27, 2012 Initial release of Columbus 4 (1D, 2D and 3D Network Adjustment Software).