Navisys GR-901U RTK base¶
Navisys GR-901U is an advanced RTK base station. Equipped with u-blox ZED-F9P engine, it features L1/L2 dual-band, centimeter-level accuracy and supports multiple satellite systems, including GPS, GLONASS, BeiDou, Galileo, and QZSS.
Navisys GR-901U is fully compatible with Ardupilot and provide high precision GPS data for UAV/drone applications. Simply plug Navisys GR-901U into a computer, it’s serving as an RTK Base in Ardupilot Mission Planner！
Key Features¶
Based on ZED-F9P high precision engine
Centimeter-level accuracy
L1/L2 Dual-band
Multi-satellite systems GPS/GLONASS/BEIDOU/Galileo/QZSS
SBAS (WAAS, EGNOS, MSAS, GAGAN) support
Up to 8/ 10/ 15/ 20 Hz update rate for quad/ tri/dual/ single-GNSS constellations
Spoofing detection / monitoring
Jamming / interference indicator
Ardupilot/PX4-compliant
Frequency¶
GPS/SBAS/QZSS: (MHz) L1 C/A (1575.42) L2C (1227.60)
GLONASS: (MHz) L1OF (1602+k*0.5625, k= -7,…,5,6) L2OF (1246+k*0.4375, k= -7,…,5,6)
Galileo: (MHz) E1-B/C (1575.42) E5b (1207.140)
BeiDou: (MHz) B1I (1561.098) B2I (1207.140)
Protocols¶
NMEA 0183 up to v 4.11, ASCII GGA, GLL, GSA, GSV, RMC, VTG
UBX: u-blox proprietary, binary
RTCM 3.3: binary
Supply voltage¶
5.0 VDC
Size¶
Φ116*24.6 (mm) for disk without pedestal
Φ116*56.8 (mm) for disk with pedestal
5/8”-11 Pole Adapter for disk
Where to buy¶
You can buy it from Navisys.