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A-72 Acutime 2000 Synchronization Kit User Guide
Trimble Standard Interface Protocol
A
The next 5 bytes are repeated as a group for each satellite. The SV
PRN and scale factor contains the SV PRN in the lower 5 bits, and the
scale factor in the upper 3 bits. Range corrections are scaled by 0.02
meters times 2 raised to the scale factor power. Range-rate corrections
are scaled by 0.002 meters per second times 2 raised to the scale
factor power. The format is shown in Table A-61.
Table A-61 Report Packet 0x60 Data Formats for Health and Power
Byte Bit Item Type Value Definition
4+ (N*5) 0-4 SV PRN 0-31 "0" Is SV 32
4+ (N*5) 5-7 Scale factor 0
4
7
Low Scale factor
(.02m, .002 m/s)
High Scale factor
(.32m, .032 m/s)
Correction not usable
5+ (N*5) Range
correction
UINT16 RTCM-104
7+ (N*5) Range-rate
correction
UINT8 RTCM-104
8+ (N*5) IODE UINT8