Data Sheet

ZOE-M8 - Data Sheet
UBX-16008094 - R07 Production Information Functional description
Page 6 of 29
1.3 GNSS performance
Parameter
Specification
Receiver type 72-channel u-blox M8 engine
GPS L1C/A, SBAS L1C/A, QZSS L1C/A, QZSS L1 SAIF, GLONASS L1OF, BeiDou B1I, Galileo E1B/C
Accuracy of time
pulse signal
RMS
99%
30 ns
60 ns
Frequency of time
pulse signal
0.25 Hz to10 MHz
(configurable)
Operational limits
1
Dynamics
≤ 4 g
Altitude 50,000 m
Velocity 500 m/s
Velocity accuracy
2
0.05 m/s
Heading accuracy
2
0.3 degrees
GNSS GPS & GLONASS GPS GLONASS BeiDou Galileo
Horizontal position
accuracy
3
2.5 m 2.5 m 4 m 3 m TBC
4
Max navigation
update rate
ROM
Flash
10 Hz
5 Hz
18 Hz
10 Hz
18 Hz
10 Hz
18 Hz
10 Hz
18 Hz
10 Hz
Time-To-First-Fix
5
Cold start 26 s 29 s 30 s 34 s 45 s
Hot start 1 s 1 s 1 s 1 s 1 s
Aided starts
6
2 s 2 s 2 s 3 s 7 s
Sensitivity
7
Tracking &
Navigation
–167 dBm –166 dBm –166 dBm –160 dBm –159 dBm
Reacquisition –160 dBm –160 dBm –156 dBm –157 dBm –153 dBm
Cold start –148 dBm –148 dBm –145 dBm –143 dBm –138 dBm
Hot start –157 dBm –157 dBm –156 dBm –155 dBm –151 dBm
Table 1: ZOE-M8 performance in different GNSS modes (default: concurrent reception of GPS and GLONASS)
1
Assuming Airborne < 4 g platform
2
50% @ 30 m/s
3
CEP, 50%, 24 hours static, -130 dBm, > 6 SVs
4
To be confirmed when Galileo reaches full operational capability
5
All satellites at –130 dBm, except Galileo at –127 dBm
6
Dependent on aiding data connection speed and latency
7
Demonstrated with a good external LNA