VBOX III User Guide
Page 23 of 30
15/07/2011
Specification
GPS
Velocity
Distance
Accuracy
0.1 Km/h (averaged over
4 samples)
Accuracy
0.05% (<50cm per Km)
Units
Km/h or Mph
Units
Metres / Feet
Update rate
100 Hz
Update rate
100Hz
Maximum velocity
1000 Mph
Resolution
1cm
Minimum velocity
0.1 Km/h
Height accuracy
6 Metres 95% CEP**
Resolution
0.01 Km/h
Height accuracy with DGPS
2 Metres 95% CEP**
Absolute Positioning
Brake Stop Accuracy
Accuracy
3m 95% CEP**
Accuracy
+/- 5cm
Accuracy with SBAS DGPS
1.8m 95% CEP**
Accuracy with RTCM DGPS
40cm 95% CEP**
Accuracy with RTK DGPS***
2cm 95% CEP**
Time
Update rate
100 Hz
Resolution
0.01 s
Resolution
1 cm
Accuracy
0.01 s
Heading
Power
Resolution
0.01°
Input Voltage range
5.3v-30v DC
Accuracy
0.1°
Power
Max 10.6 watts
Acceleration
Environmental and physical
Accuracy
0.5%
Weight
Approx 900 grammes
Maximum
20 G
Size
170mm x 121mm x 41mm
Resolution
0.01 G
Operating temperature
-20
C to +70
C
Update rate
100Hz
Storage temperature
-30
C to +80
C
Memory
Definitions
Compact Flash
Recording time
Type I
Dependent on flash card
capacity*
** CEP = Circle of Error Probable
95% CEP (Circle Error Probable) means 95% of the time the position readings will fall
within a circle of the stated diameter
5
Approximately 29Mb per hour used when
logging GPS data at 100Hz
Approx 182Mb per hour total logging capacity
*** Note that 2cm accuracy RTK mode restricts the logging rate to 50Hz