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GARMIN Phase Monitor Program - gps25pm.exe
Command Line Arguments
default:
/com1 - selects which PC serial port to use for communication - com1, com2 (com1 default).
/b:9600 - selects the baud rate - 1200, 2400, 4800, or 9600 (9600 default)
Description:
GPS25PM.EXE is designed to interface with a Garmin GPS 25 XL or GPS 25LP sensor boards and the
GPS 35LP sensors. The program will perform the following functions:
- display and log phase data output by GPS sensors.
- upload almanac, position, and time information.
- download almanac and ephemeris information.
GPS25PM.EXE is a DOS based program and will run on IBM 80286 or greater compatible PCs.
Displayed Information:
The GPS25PM.EXE display page is divided into 3 sections. The top-most section contains the following
information updated at once a second:
A. Position
1. WGS 84 Latitude, Longitude (degrees - minutes) - 0.0001 minute resolution.
2. Ellipsoid Altitude (meters) - 1 meter resolution.
B. Velocity
1. Each of 3 axis (meters per second) - 0.01 m/s resolution.
2. Altitude (meters/minute) - 1 mt/m resolution.
3. Ground Speed (kilometers/hour) - 0.1 km/h resolution
C. Estimated Position Error - Vertical, Horizontal, Total (meters) - 1 meter resolution
D. Track - (0 - 359 degrees) - 0.1 degree resolution
E. Time
1. GPS time (hours - minutes - seconds) - 1 sec. resolution (not leap second corrected)
2. Receiver Time of Week (GPS seconds) - 0.00000001 sec. resolution.
The middle section contains receiver measurement information for satellites which the GPS sensor is
currently tracking. This information is updated once at second:
A Satellite Number (1 - 32)
B. Signal to Noise Ratio (dbHz) - 1 dbHz resolution.
C. Phase (0 - 359 degrees) - 0.1 degree resolution.
D. Pseudo Range (meters) - 1 meter resolution.
E. Accumulated Cycles (cycles) - 1 cycle resolution.