No specific info about version 1.1. Please visit the main page of altitude on Software Informer.
Convert coordinates from one coordinate system to another.
GeoMaker for Windows is a World GeoDatabase software.
3-Space Sensor Software makes setup and configuration of the 3-Space Sensor easy
Balloon Track is a Windows implementation of several programs.
Flight Instrument Simulator - a flight simulator written in MATLAB
This software simulates gauges for the C172 aircraft.