C-RTK 2 is a high-performance PPK/RTK positioning module created by CUAV for professional applications such as drone aerial survey/mapping). Its small shape/light weight, industrial-grade IMU combination, and combination of high-precision positioning modules can easily satisfy the most demanding Copter/VTOL Plane/Traditional Helicopter applications.
Other characteristics¶
- High-performance H7 processor
- High precision industrial grade IMU, Magnetometer and Barometer
- Supports RTK and saves RAW raw data (PPK) at the same time
- Multi-satellite and multi-frequency receivers
- UAVCAN/Dronecan protocol
- Supports camera hotshoe and shutter trigger
- Compatible with ArduPilot/PX4 flight controller software, and using a CUAV X7 series flight controller, it is plug and play.
- HS_USB C and micro-SD disk interfaces
Key Features¶
- ZED-F9P RTK Receiver
- 184 Receiving channels
- STM32H743VIH6(2M flash、1M RAM)Processor
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- On-board sensors:
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- Accelerometer/Gyroscope: ICM20689
- Magnetometer: RM3100
- Barometer: ICP10111
- TF card expansion (32G(MAX))
- PPK(post processed kinematic) support
- RTK(Real – time kinematic) support
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- GNSS Bands
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- GPS:L1C/A,L2C
- GLONASS:L1OF,L2OF
- GALILEO: E1B/C E5b
- Beidou:B1I B2I
- Enhanced system
- QZSS:L1C/A,L2C,L1S
- SBAS:L1C/A
- 4(GPS、GLONASS、GALILEO、Beidou)concurrent GNSS
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- Update rates
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- RTK Up to 20Hz
- RAW Up to 25Hz((Default 5Hz))
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- Position accuracy(RMS)
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- RTK:0.01m+1ppm(level);0.02m+1ppm(vertical)
- GPS:1.5m(level)
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- Acquisition
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- Cold starts 24 s
- Aided starts 2 s
- Re-acquisition 2 s
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- Sensitivity
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- Tracking & Nav –167 dBm
- Cold starts –148 dBm
- Hot starts –157 dBm
- Rea-cquisition –160 dBm
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- Anti-spoofng
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- Advanced anti-spoofng algorithms
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- Protocols
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- NMEA
- UBX binary
- RTCM version 3.x
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- Time pulse
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- 0.25Hz~10Hz(Configurable)
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- Anti-jamming
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- Active CW detection and removal Onboard band pass flter
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- Support flight control type
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- Compatible with flight controllers running ArduPilot/PX4 firmware
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- Interfaces
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- 1 Hotshoe
- 1 Shutter in
- 1 Sutter out
- 1 Type C(HS_USB)
- 1 F9P USB
- 1 F9P UART
- 1 Antenna(mmcx)
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- Supply voltage
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- 4.5~6v
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- Operating temperature
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- -20~85℃
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- Size
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- 56x33x16.5mm
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- Weight
- -39g
LED Indicators¶
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- SYS Led
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- 100ms flashing: In bootloader
- 1000ms flashing: Normal working condition
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- TF LED(TF Card)
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- Flashing: Noraml SD card reading and writing
- Always bright: No TF card or file system error of TF card. Try cycling the power.
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- Shutter In led (on side)
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- Flashing: Camera shutter signal input
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- Shutter Out led
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- Flashing: Output shutter trigger signal to camera
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- CAN LED
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- Dark: No data input and output
- Blink once every 2 seconds: Data is being sent, but no data is beingreceived
- Blink twice within 2 seconds: Data is being received, but no data is being sent
- Blink 3 times in 2 seconds: Sending and Receiving data.
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- PPS LED
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- On: no FIX
- Flashing: FIX
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- RTK LED
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- Blinking 3 times every 2 seconds: Sending and Receiving RTK data.
- Flash:RTK Float
- Solid On:RTK FIX
- Dark:NO RTK
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- RUN LED
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- Red led always On: System Error
- Yellow led always On: Application Warning
- Yellow flashing (100ms): GNSS(F9P) Firmware update
- Blue Flashing: Base station mode
- Green Flashing: Rover mode
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- Mode button
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- When not connected to the computer, press and hold for 3 seconds to switch the mode
Pinouts¶
Preparation before use¶
PPK+RTK¶
- 1 PPK base station/Ntrip account
- 1 C-RTK 2
- 1 Mapping camera
- 1 Drone
- 1 Data link
- 1 Computer
Note
C-RTK 2 can be used as an RTK base station and rover RTK gps, as well as a PPK rover gps,It is not recommended to be used as a PPK base station.
User Manual¶
Video¶
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