User's Manual

SPSx50 Modular GPS Receiver User Guide 135
GSOF Messages B
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
10 Position flags 2 Char See Reports second set of position attribute
flag values
11 Initialized number Char 00h-FFh Increments with each initialization
(modulo 256)
Table B.2 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.3 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.1 Time (Type 1 record)
Field Item Type Value Meaning