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Gunamoi Software

   GreatCirc - What Was New in Version 3.2






GreatCirc Program

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Release Date: April 2019

The following main features were added or changed in version 3.2:

Lite Features (free)

  • Magnetic Azimuth calculations have been updated with the latest out-of-cycle model WMM-2015v2.
  • Added support for GeoJSON format input files for Batch Reports or User City selection.
  • Minor changes in layout and text box size to improve the appearance of some windows, depending upon the user's currently selected Windows theme.
  • Improved file checking and error reporting.
  • Bug fix so program will properly default to recognize windows font encoding if the input file is not UTF8 encoded.
  • Distance can now be entered to 6 decimal places, but GreatCirc still rounds to nearest metre when calculating.
  • The seconds component of latitude and longitude will now display to 3 decimal places if necessary, instead of rounding to whole seconds.
  • The Magnetic Azimuth tool now includes a notation on the window title if the Rhumb Line bearings are being displayed rather than the Great Circle directions.
  • There have been some minor additions to the Major Cities list.


To find out what was new in previous version 3.1, click here.