CUAV C-RTK 9Ps Positioning Module | High Precision GPS RTK GNSS Pixhawk

 

Introduction

The C-RTK 9Ps is a four-star Real Time GNSS system, using two c-RTK 9Ps modules, one for the aircraft and the other for the base station. It also supports dual GPS for yaw which can replace the magnetic compass. This is useful for flight in complex magnetic field environments such as close to power lines. Compared to C-RTK 9P, C-RTK 9Ps achieves similar performance at a lower price. It is a very cost-effective centimeter-level positioning module compatible with PX4/ ArduPilot open-source flight controllers. It is an ideal choice for UAV mapping, agricultural applications, high-precision takeoff and landing, ship takeoff and landing and other applications requiring real-time high-precision navigation.

Multi-star Multi-frequency Receiver

Centimeter-Level Positioning

Dual RTK For Yaw

Double Unit Switch

Multi-star Multi-Frequency High- Precision Positioning

Built-in u-blox F9P multi-star multi-frequency satellite receiver with concurrent reception of GPS, GLONASS, Galileo and BeiDou. Positioning accuracy: <0.01m +1ppm CEP.

Ultra-fast positioning

Multi-satellite, multi-frequency receiver combined with advanced RTK algorithms enables the base station to complete convergence and achieve centimeter-level positioning in under 30 seconds.

Dual RTK for yaw,Adapt to complex environment

Dual C-RTK 9Ps can estimate yaw which can replace the magnetic compass. This is useful for flight in complex magnetic field environments such as close to power lines.

Fast switch between sky and rover unit

The C-RTK 9Ps adopts the same design of the two units (sky unit and rover unit), and the two unit use the same firmware. You only need to load different configuration parameters to complete the fast switching

Use as a sky unit

Use as a rover unit

Test Data

Specification

Main Parameters
Receiver type 184 channel ZED-F9P(ublox)
Compass IST8310
GNSS GPS、Beidou、Galileo、GLONASS
Number of concurrent GNSS 4
GNSS Bands GPS-L1C/A
GPS - L2C
GLONASS - L1OF
GLONASS- L2OF;
GALILEO - E1B/C
GALILEO- E5b;
BeiDou - B1I
BeiDou - B2I;
QZSS - L1C/A
QZSS - L2C
Nav. update rate RTK 20Hz
RAW 25Hz;
PVT 25Hz
(The maximum limit is related to the concurrency setting
Position accuracy RTK:0.01m+1ppm CEP
GPS:1.5m CEP;
SBAS:1.0m CEP
RTK Surveyin-time RTK<60s
Acquisition Cold starts<24s
Hot starts<1s
Sensitivity Cold starts –148 dBm
Hot starts –157 dBm
Reacquisition –160 dBm
Anti-jamming Active CW detection and removal Onboard band pass flter
Anti-spoofng Advanced anti-spoofng algorithms
Antenna gain Rover:2dBi
Base:5dBi
PPK not support
GPS heading Support (requires two C-RTK 9Ps); heading accuracy: 0.4edg (reference value)
Base/Rover role swap Support
Protocols NMEA、UBX binary、RTCM 3.x
Interface
UART 2
USB 1
Antenna Type MMCX
Physical Parameter
Operating voltage 4.5V to 6V
Operating temperature –40°C to +85°C
Size 47mm*32mm*12.2mm
Weight 30g(Module Only)
Nav.update rate Moving baseline Heading accuracy
GPS+GLO+GAL+BDS RTK:7Hz GPS*:9Hz 5Hz 0.4deg
GPS+GLO+GAL RTK:10Hz GPS*:10Hz 5Hz 0.4deg
GPS+GAL RTK:15Hz GPS*:20Hz 5Hz 0.4deg
GPS+GLO RTK:14Hz GPS*:20Hz 5Hz 0.4deg
GPS+BDS RTK:13Hz GPS*:26Hz 5Hz 0.4deg
GPS RTK:20Hz GPS*:25Hz 8Hz 0.4deg
Remark "GPS*: as normal GPS, point positioning" Double GPS for yaw

Products Comparision

C-RTK 9Ps C-RTK 9P
Receiver type 184 channel ZED-F9P(ublox) 184 channel ZED-F9P(ublox)
Compass IST8310 IST8310
GNSS GPS、Beidou、Galileo、GLONASS GPS、Beidou、Galileo、GLONASS
Number of concurrent GNSS 4 4
GNSS Bands GPS-L1C/A
GPS - L2C
GLONASS - L1OF
GLONASS- L2OF;
GALILEO - E1B/C
GALILEO- E5b;
BeiDou - B1I
BeiDou - B2I;
QZSS - L1C/A
QZSS - L2C
GPS-L1C/A
GPS - L2C
GLONASS - L1OF
GLONASS- L2OF;
GALILEO - E1B/C
GALILEO- E5b;
BeiDou - B1I
BeiDou - B2I;
QZSS - L1C/A
QZSS - L2C
Nav. update rate RTK 20Hz
RAW 25Hz;
PVT 25Hz
(The maximum limit is related to the concurrency setting
RTK 20Hz
RAW 25Hz;
PVT 25Hz
(The maximum limit is related to the concurrency setting
Position accuracy RTK:0.01m+1ppm CEP
GPS:1.5m CEP;
SBAS:1.0m CEP
RTK:0.01m+1ppm CEP
GPS:1.5m CEP;
SBAS:1.0m CEP
RTK Surveyin-time RTK<60s RTK<60s
Acquisition Cold starts<24s
Hot starts<1s
Cold starts<24s
Hot starts<1s
Sensitivity Cold starts –148 dBm
Hot starts –157 dBm
Reacquisition –160 dBm
Cold starts –148 dBm
Hot starts –157 dBm
Reacquisition –160 dBm
Anti-jamming Active CW detection and removal Onboard band pass flter Active CW detection and removal Onboard band pass flter
Anti-spoofng Advanced anti-spoofng algorithms Advanced anti-spoofng algorithms
Antenna gain Antenna gain Rover:2dBi
Base:5dBi
PPK not support not support
GPS heading Support (requires two C-RTK 9Ps); heading accuracy: 0.4edg (reference value) Support (requires two C-RTK 9Ps); heading accuracy: 0.4edg (reference value)
Base/Rover switch Support Support
Protocols NMEA、UBX binary、RTCM 3.x NMEA、UBX binary、RTCM 3.x
Interface
UART 2 2
USB 1 1
Antenna Type MMCX MMCX
Physical Parameter
Operating voltage 4.5V to 6V 4.5V to 6V
Operating temperature –40°C to +85°C –40°C to +85°C
Size 47mm*32mm*12.2mm 48mm*31.5mm*12mm
Weight 30g(Module Only) 27g(Module Only)
Autopilot Version

Rover unit stand combo, Base unit combo, Rover unit stand unit and base unit combo

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