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Acutime 2000 Synchronization Kit User Guide A-73
A Trimble Standard Interface Protocol
0x61 Command Packet 0x61
Set Differential GPS Corrections
This TSIP packet provides the delta differential corrections from
RTCM-104 record type 2. There is no response to this packet. Scale
factors are version 1 unless the version 2 flag is set. The format for
this packet is shown in Table A-62.
The units and scale factors are as defined by Packet
0x60. Delta range
correction rates are not entered.
Table A-62 Command Packet 0x61 Data Formats
Byte Bit Item Type Value Definition
0 - 1 Modified Z-count UINT16 0-5999 .6 SEC
2 0-6 Number of SVs 0-31
2 7 Version 2 flag Bit 1 must be set
The next 3 bytes are repeated as a group for each satellite:
3+(N*2) 0-4 SV PRN 0-31 "0" Is SV 32
3+(N*2) 5-7 Scale factor 0
4
7
Low Scale factor
(.02m, .002 m/s)
High Scale factor
(.32m, .032 m/s)
Correction not
usable
4+(N*2) Range correction UINT16 RTCM-104