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A Trimble Standard Interface Protocol
48 Trimble ThunderBolt E GPS Disciplined Clock User Guide
Command Packet 0x3A: Request Last Raw Measurement
This packet requests the most recent raw measurement data for one specified satellite.
The GPS receiver returns packet 0x5A if data is available.
Command Packet 0x3B: Request Ephemeris Status
This packet requests the current status of satellite ephemeris data. The GPS receiver
returns packet 0x5B if data is available.
Command Packet 0x3C: Request Satellite Tracking Status
This packet requests the current satellite tracking status. The GPS receiver returns
packet 0x5C if data is available.
Command Packet 0x3F-11: Request EEPROM Segment Status
This packet requests the current satellite tracking status. The GPS receiver returns
packet 0x5C if data is available.
Byte Item Type Value Meaning
0 Satellite PRN UINT8 0 All satellites in current tracking set
1-32 Specific desired satellite
Byte Item Type Value Meaning
0 Satellite PRN UINT8 0 All satellites in current tracking set
1-32 Specific desired satellite
Byte Item Type Value Meaning
0 Satellite PRN UINT8 0 All satellites in current tracking set
1-32 Specific desired satellite
Byte Item Type Value Meaning
0 Satellite PRN UINT8 0 All satellites in current tracking set
1-32 Specific desired satellite