A-56 Acutime 2000 Synchronization Kit User Guide
Trimble Standard Interface Protocol A
0x56 Report Packet 56

Velocity Fix, East-North-Up (ENU) Report

If East-North-Up (ENU) coordinates have been selected for the I/O
"velocity" option (Packet 35), the receiver sends this packet under the
following conditions: (1) each time that a fix is computed if masked
for output by packet 8E-4D; (2) in response to packet 37 (last known
fix). The data format is shown in TableA-47.
The time-of-fix is in GPS or UTC time as selected by th e I/O "timing"
option.
Table A-47 0x56 – Velocity Fix, East-North-Up (ENU)
Report
Byte Item Type Units
0-3 East Velocity SINGLE m/s; + for east,
- for west
4-7 North Velocity SINGLE m/s; + for north,
- for south
8-11 Up Velocity SINGLE m/s; + for up, - for
down
12-15 Clock Bias Rate SINGLE m/s
16-19 Time-of-fix SINGLE seconds