Instruction Manual

24 628 GNSS RTK Expansion Pack
P/N 23488-00. Copyright May 2012.
Information is subject to change without
notice.
Specications
GPS Receiver
Manufacturer
NovAtel
Model
NovAtel OEM628
Performance
Channel Conguration
120 Channels
Signal Tracking:
GPS: L1, L2, L2C, L5
GLONASS: L1, L2
Galileo: E1, E5
GIOVE-A/GIOVE-B (test)
Compass
SBAS
L-band
Horizontal Position Accuracy (RMS)
Single point L1 1.5 m
Single point L1/L2 1.2 m
SBAS 0.6 m
DGPS 0.4 m
OmniSTAR
VBS 0.6 m
XP 0.15 m
HP 0.1 m
RT-20® 0.2 m
RT-2™ 1 cm+1 ppm
Initialization time <10 s
Initialization reliability > 99.9%
Measurement Precision (RMS)
Fully independent code and carrier
measurements:
GPS GLO
L1 C/A code 4 cm 8 cm
L1 carrier phase 0.5 mm 1.0 mm
L2 P(Y) code 8 cm 8 cm
L2 carrier phase 1.0 mm 1.0 mm
L2C code 8 cm 8 cm
L2C carrier phase 0.5 mm 0.5 mm
L5 code 3 cm
L5 carrier phase 0.5 mm
Time to First Fix
Cold start <50 s
Hot start <35 s
Signal Reacquisition
L1 <0.5 s (typical)
L2 <1.0 s (typical)
Time Accuracy 20 ns RMS
Velocity Accuracy 0.03 m/s RMS
Velocity 515 m/s
Antenna LNA Power Output
Output voltage 5 VDC [+5%/-5%]
Maximum current 100 mA
Features
• Field-upgradeable soware
• 20 Hz measurement and position data
rate
• PAC multipath mitigating technology
• Dierential GPS positioning
• Dierential correction support for
RTCM 2.1, 2.3, 3.0, 3.1, CMR, CMR+
and RTCA
• Navigation output support for NMEA-
0183 and detailed NovAtel ASCII and
binary logs
GSM Modem
• MultiTech Model MTSMC-E1
• GPRS and EDGE Modes
• Quad Band 850, 900, 1800, and 1900
MHz
• Dual Band Antenna
North America: 850, 1900 MHz
International: 900, 1800 MHz
• Data only, does not support voice or
messaging
• Automatically reconnects aer a
suspend/resume