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UBX Class NAV
The messages in this class transmit navigation data, status flags, and accuracy
information.
NAV – POSECEF (0x01 0x01)
It periodically polls the receiver’s position in the ECEF frame.
Header ID Data Length Data Checksum
0xB5 0x62 0x01 0x01 20 See below CK_A CK_B
Data
Offset bytes Format Descriptions Notes
0 U4 GPS time of week (ms)
4 I4 X coordinate (cm) In the ECEF frame
8 I4 Y coordinate (cm) In the ECEF frame
12 I4 Z coordinate (cm) In the ECEF frame
16 U4 Position accuracy (cm)