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Product description: GPS-RTK-SMA Kit - set with GPS module with ZED-F9P system - SparkFun KIT-18292
The GPS-RTK-SMA Kit was prepared by the SparkFun company and includes all the necessary components to perform RTK measurements. In order to obtain measurements of this type, satellites are used because they are the only ones that provide precise values concerning the position, required in geolocation and broadly understood geodesy. The kit includes a GNSS receiver with the ZED-F9P system, a multi-band antenna with a grounding plate and a bi-directional USB cable.
The manufacturer has prepared a detailed user guide - check it out!
GPS-RTK-SMA Kit - kit contents.
GPS-RTK-SMA Kit - a set with a GPS module with the ZED-F9P system - SparkFun KIT-18292.
What is RTK?
The abbreviation comes from the English term for Real Time Kinematic ( RTK GPS) and describes the technology of making measurements using satellite navigation. RTK measurement is very precise - it has centimeter accuracy, and what is more - it is obtained in real time (without performing calculations after the measurement in the so-called post-processing). RTK measurement technologies are used primarily in geodesy and cartography, because they enable very fast determination of the position of the satellite antenna phase center of the receiver. SparkFun RTK Facet can be used in four modes:
- GNSS positioning (accuracy ~ 30 cm) - also known as "Rover"
- GNSS positioning with RTK (1.4 cm accuracy) - also known as "Rover with RTK Fix"
- GNSS Base Station
- GNSS Base Station NTRIP Server
Technical specification of the GNSS receiver
- Receiver Model: ZED-F9P
- Simultaneous reception of satellites: GPS, GLONASS, Galileo and BeiDou
- Receives bands: L1C / A and L2C
- Current Draw: 68mA to 130mA (varies with constellation and tracking status)
- Start time: 25s (cold start), 2s (quick start)
- Maximum Navigation Speed:
- PVT (primary location via UBX binary protocol) - 25 Hz
- RTK - 20 Hz
- Raw - 25 Hz
- Accuracy of horizontal position:
- 2.5 m without RTK
- 0.010 m with RTK
- Maximum altitude: 50 km
- Maximum speed: 500 m / s
- Connectors: Qwiic
- Tile sizes: 43.5 x 43.2 mm
- Weight: 6.8 g
GPS-RTK-SMA Breakout - GPS module with ZED-F9P - Qwiic - SparkFun GPS-16481.
Multi-band GNSS antenna - 5 m (SMA) - SparkFun GPS-15192.
Antenna technical specification
- Frequency:
- L1 band: 1559 MHz to 1606 MHz
- L2 / L5 band: 1197 MHz to 1249 MHz
- Peak gain (greater than 15 cm in diameter of the ground plane):
- L1 band: 3.5 dBic
- L2 / L5 band: 0 to 2.0 dBic
- VSWR: max. 2
- Throughput: min. 200 MHz
- Impedance: 50 Ohm
- RHCP polarization
- Reception of satellites: GPS, GLONASS, Galileo and BeiDou
- Cable type: 5 m coaxial with SMA connector
- Base: magnetic, can be installed permanently (fixing with 2xM4 screws)
- Dimensions: 60 x 82.0 x 22.5 mm
- Weight with cable: 175 g
Technical specification of the earthing plate
- Diameter: 4 "
- Thickness: 1/16 "
- Center thread: 1 / 4-20 UNC thread
- Finish: industrial
- Weight: 191 g
Technical specification of the cable
- Type: Bi-directional
- Connectors 1: USB A
- Connector 2: USB C
- Cable color: black
- Cable length: 0.8 m
Kit contents
USB A - USB C cable - bidirectional - 0.8 m - SparkFun CAB-15425.
