Garmin GPS 25 LP Technical Specification page 38

The Garmin Phase Monitor Program, GPS25PM.EXE, provides the following functions:
- Display and log phase data output from TXD2
- Upload almanac, position, and time information via RXD2
- Download almanc and ephemeris information upon command
GPS25PM.EXE can be invoked from a DOS prompt:
<path>gps25pm.exe [/com<x>] [/b:<yyyy>]
Where
<> denotes user supplied information
[] denotes optional parameters
x is com port number (1 or 2, default is 1)
yyyy is baud rate (1200, 2400, 4800, or 9600, default is 9600)
See Appendix D for detailed description and operation of the GPS25PM.EXE program.
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