REFERENCE MANUAL - FTP Directory Listing - Trimble

A
TRIMBLE STANDARD INTERFACE PROTOCOL (TSIP)
Report Packet 0x8F-20 - Last Fix with Extra Information
(binary fixed point)
This packet provides complete information about the current position velocity fix in a
compact, fixed-length 56-byte packet. The fields are fixed-point with precision
matched to the receiver accuracy. It can be used for automatic position/velocity
reports. The latest fix can also be requested by 0x8E-20 or 0x37 commands.The data
format is shown below.
Table A.69
Report Packet 0x8F-20 Data Formats
Byte Bit Item Type Value Definition
0 Sub-packet id UINT8 Id for this sub-packet (always
0x20)
1 Reserved UINT8 Reserved
2-3 East velocity INT16 0.005 m/s or 0.020 m/s
See Note 1.
4-5 North velocity INT16 0.005 m/s or 0.020 m/s
See Note 1.
6-7 Up velocity INT16 0.005 m/s or 0.020 m/s
See Note 1.
8-11 Time Of Week UINT32 GPS Time in milliseconds
12-15 Latitude INT32 -2 30 to 2 30 WGS-84 latitude, 2 -31
semicircle (-90° - 90°)
16-19 Longitude UINT32 0 to 2 32 WGS-84 longitude, 2 -31
semicircle (0° - 360°)
20-23 Altitude INT32 Altitude above WGS-84
ellipsoid, mm.
24 0 Velocity Scaling 0
1
0.005 m/s 2
0.020 m/s 2
1-7 reserved
25 reserved
26 Datum Datum index + 1, 0=unknown
27 0 Invalid Fix Bit 0
1
No (Valid Fix)
Yes (Invalid Fix)
1 Reserved Bit 0 Reserved
2 Fix Dimension Bit 0
1
3 Alt Hold Bit 0
1
4 Filtered Bit 0
1
5-7 reserved
3D
2D
Last 3D Altitude
User-entered altitude
Unfiltered
Filtered
28 NumSVs UINT8 Number of satellites used for
fix. Will be zero if no fix avail.
29 UTC Offset UINT8 Number of leap seconds
between UTC and GPS time.
30-31 Week INT16 GPS time of fix, weeks.
172 Copernicus GPS Receiver