The Reference Manual for the General Astrodynamics Library (GAL) has been updated to include the changes/additions of version 0.5.0 of the library.

It can be downloaded from the project website here:

http://homepage.mac.com/pclwillmott/GAL/index.html

The General Astrodynamics Library (GAL) is a numerical library for C and C++ programmers. It is free software under the GNU General Public License.

The library provides a wide range of astrodynamical routines such as ephemerides, earth orientation, and orbit propagation. There are over 260 functions in total with an extensive test suite.

Paul Willmott, VP9MU AMSAT-BDA