ELLIPSE2 AHRS & INS
– Hardware Manual
ELLIPSE2HM.1.3
1.3.4. Ellipse-D internal GNSS receiver (Rev 1)
The hardware revision 1 of Ellipse-D embeds a survey grade GNSS receiver (L1/L2 GPS, GLONASS, BEIDOU),
capable of SBAS, DGPS, and RTK positioning. With a refresh rate of 5Hz, this receiver provides best accuracy
and reliability in harsh GNSS environments.
Specification
Remark
Channels
120
Signal tracking
GPS: L1, L2, L2C
GLONASS: L1, L2
Beidou B1, B2,
SBAS, QZSS
GPS L1/L2, SBAS, QZSS in standard.
Other signals available in option
Horizontal position accuracy
Single point L1
1.5 m
RTK precision available in option
Single point L1/L2
1.2 m
SBAS / DGPS
0.6 m / 0.4 m
RTK
1 cm + 1ppm
Velocity accuracy
0.03 m/s RMS
True Heading Accuracy
0.2°
0.1°
1m baseline
2m baseline
Baseline should not exceed 3m
Velocity limit
515 m/s
Due to export licenses
Time to First Fix
Cold start
< 50 s
Hot start
< 35s
Signal reacquisition
L1
< 0.5 s
L2
< 1.0 s
Output frequency
5 Hz
Diff. Corrections
RTCA, RTCAOBS2
RTCM V2.3, V3
CMR, CMR+
Sent via serial PORT C
Options
BEIDOU, GLONASS, RTK
12/50
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