Version 2.1  March 2022

• Added an option to specify units for heights
• Added an option to customize data exported
• Added FAQ's
• Added a link to source code on github

Version 2.0.1  February 2020

• Added linear units for Nadcon shift and error estimates
• Added a tutorial for NCAT 2.0

Version 2.0  September 2019

• Added VERTCON 3.0 release 20190601
• Improved PDF formatting
• Simplified upload formats

Version 1.2  August 2018

• Replaced Google Maps with Leaflet
• Fixed minor issues related to SPC auto zone detrmination in Alaska and Louisiana offshore
• Added original Michigan NAD27 SPC zones (MI E-2101, MI C-2102, MI W-2103)
• Modified SPC conversion to enable input ellipsoid height to be in the same units as Northing and Easting
• Reformatted instructions for multipoint conversion

Version 1.1  July 2018

• Added a tutorial for NCAT
• Enabled conversion of SPC or UTM coordinates between zones with or without datum transformation
• Added a popup help to show mapping of NAD83 realizations to HARN and FBN
• Modified conversion of units to provide better precision for SPC coordinates in survey feet and international feet
• Fixed a units issue with GU63 SPC coordinates

Version 1.0  February 2018

• NCAT production rollout incorporating NADCON 5.0 release 20160901