The Government is developing the main processing software for the user workstation in the Radiosonde Replacement System.  This Pentium III computer will run Windows NT.   The following documents are available which describe the capabilities of this workstation and format of the data output.

	Software Requirements Document
	Federal Meteorological Handbook #3

The following links provide sources for additional information on the Global Positioning System:

	GPS Primer
	FAA GPS Product Team
	USCG Navigation Center
	How GPS works