Trimble Outdoors SK8 - Manual (Page 113)

Lassen-SK8 Embedded GPS Module A-49
Trimble Standard Interface Protocol
A.17.43 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-52.
The units and scale factors are as defined by Packet 0x 60. Delta range correction rates are
not entered.
A.17.44 Command Packet 0x62
This packet requests the differential position fix mode of the GPS receiver. A single data
byte is sent.
To request Report Packet 0x 82, the data byte is set to contain any value between 0x 5 and
0x FF.
Table A-52. Command Packet 0x61 Data Formats
Byte Item Type Units
0 - 1 Modified Z-count WORD .6 SEC
2 (set MSB for version 2) Bit 7 = 1
Bit 0-6 = number of SVs BYTE
The next 3 bytes are repeated as a group for each satellite:
3+ (N*3) SV PRN & scale factor BYTE
4+ (N*3) Delta range correction WORD RTCM-104