Release 9.3.

Version 9.3 is a minor release, including both new features and bug fixes. The main changes are:

  • a new GPSDate class
  • changed OrekitException from checked to unchecked exceptions
  • parameter drivers scales and reference value can be changed
  • access to Kalman filter internal matrices
  • position-only measurements in orbit determination
  • support for unofficial versions 2.12 and 2.20 of Rinex files (mainly for spaceborne receivers)
  • direct building of appropriate attitude law with eclipses for all GNSS satellite types
  • inter-satellites view detector
  • measurement generation feature
  • possibility fo use Marshall Solar Activity Future Estimation to feed NRL MSISE 2000 atmosphere model
  • new tropospheric models: Mendes-Pavlis, Vienna 1, Vienna 3, estimated model
  • new mapping functions for tropospheric effect: Global Mapping Function, Niell Mapping Function
  • Global Pression Temperature Models GPT and GPT2
  • possibility to estimate tropospheric zenith delay
  • clock offset that can be estimated (both for ground station and satellite clocks)
  • handling of GPS clock corrections directly from propagator
  • management of clock corrections as additional states from any propagator

Numerous bugs have been fixed.

This version depends on Hipparchus 1.4