User's Manual

B GSOF Messages
102 SPSx80 and SPSx81 Smart GPS Antennas User Guide
LLH
This message describes latitude, longitude, and height. It contains the following data:
• WGS-84 latitude and longitude, in radians
• WGS-84 height, in meters
ECEF
This message describes the ECEF position. It contains the following data:
• Earth-Centered, Earth-Fixed X, Y, Z coordinates, in meters
ECEF DELTA
This message describes the ECEF Delta position. It contains the following data:
• Earth-Centered, Earth-Fixed X, Y, Z deltas between the rover and base position,
in meters.
Table B.4 Latitude, longitude, height (Type 2 record)
Field Item Type Value Meaning
0 Output record type Char 02h Latitude, longitude, and height output record
1 Record length Char 18h Bytes in record
2–9 Latitude Double Radians Latitude from WGS-84 datum
10–17 Longitude Double Radians Longitude from WGS-84 datum
18–25 Height Double Meters Height from WGS-84 datum
Table B.5 ECEF position (Type 3 record)
Field Item Type Value Meaning
0 Output record type Char 03h Earth-Centered, Earth-Fixed (ECEF) position output
record
1 Record length Char 18h Bytes in record
2–9 X Double Meters WGS-84 ECEF X-axis coordinate
10–17 Y Double Meters WGS-84 ECEF Y-axis coordinate
18–25 Z Double Meters WGS-84 ECEF Z-axis coordinate
Table B.6 ECEF Delta (Type 6 record)
Field Item Type Value Meaning
0 Output record type Char 06h Earth-Centered, Earth-Fixed (ECEF) Delta output record
1 Record length Char 18h Bytes in record
2–9 Delta X Double Meters ECEF X-axis delta between rover and base station
positions
10–17 Delta Y Double Meters ECEF Y-axis delta between rover and base station
positions
18–25 Delta Z Double Meters ECEF Z-axis delta between rover and base station
positions