GPS - fs9gps Documentation
From FSDeveloper Wiki
Documentation on the use of the FS9 GPS module, (used in FS9 & FSX).
Definitions and examples of its 320 variables, and explanations of the principals of some xml coding techniques such as ICAO Transfer and Cycle Skipping that are used when working with the FS9 gps.dll module.
Download from BlackBox - Robbie McElrath's website
