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5.8 KiB
5.8 KiB
LOCOSYS Hawk A1 GPS/GNSS
The LOCOSYS HAWK A1 GPS/GNSS receiver is a dual frequency multi-constellation GNSS/GPS receiver compatible with PX4.
주요 특징은 다음과 같습니다.
- Concurrent reception of L1 and L5 band signals
- Supports GPS, GLONASS,BEIDOU, GALILEO, QZSS
- Capable of SBAS (WAAS, EGNOS, MSAS, GAGAN)
- Support 135-channel GNSS
- Fast TTFF at low signal level
- Free hybrid ephemeris prediction to achieve faster cold start
- Default 5Hz, up to 10 Hz update rate (SBAS at 5Hz update rate only)
- Built-in super capacitor to reserve system data for rapid satellite acquisition
- Three LED indicator for Power, PPS and Data transmit
구매처
- LOCOSYS (Taiwan)
설정
You can use the Hawk A1 as either main (primary) or secondary GPS system. The PX4 parameters should be set as below for each case.
Main GNSS
To use the Hawk A1 your main GPS device:
| 매개변수 | Value | 설명 |
|---|---|---|
| GPS_1_CONFIG | 102 (Telem 2 or another available serial port) | Configure main GPS port |
| GPS_1_PROTOCOL | 1 (u-blox) | Configure GPS protocol |
| SER_TEL2_BAUD | 230400 | Configure the serial port baudrate (here the GPS is connected to TELEM2 for instance) |
Secondary GNSS
To use the Hawk A1 as an auxiliary GPS device (in addition to the main GPS):
| 매개변수 | Value | 설명 |
|---|---|---|
| GPS_2_CONFIG | 102 (Telem 2 or another available serial port) | Configure main GPS port |
| GPS_2_PROTOCOL | 1 (u-blox) | Configure GPS protocol |
| SER_TEL2_BAUD | 230400 | Configure the serial port baudrate (here the GPS is connected to TELEM2 for instance) |
배선
The Locosys GPS comes with an 6-pin JST-GH Pixhawk-standard connector that can be inserted directly into either the GPS1 UART port (or GPS2 UART ports from Pixhawk FMUv5).
핀배열
The LOCOSYS GPS pinout is provided below. 이것은 다른 자동조종보드용 커넥터를 수정할 수 있습니다.
| 핀 | Locosys GPS | 핀 | Pixhawk GPS 2 |
|---|---|---|---|
| 1 | VCC_5V | 1 | VCC |
| 2 | GPS_RX | 2 | GPS_TX |
| 3 | GPS_TX | 3 | GPS_RX |
| 4 | NC | 4 | SDA |
| 5 | NC | 5 | SCL |
| 6 | GND | 6 | GND |
Status LEDs
| 색상 | 명칭 | 설명 |
|---|---|---|
| 녹색 | TX Indicator | GNSS Data transmission |
| 빨강 | Power Indicator | 전원 |
| 청색 | PPS | Precise Positioning Service active |
사양
- Receiver Type: 135-channel LOCOSYS MC-1612-V2b engine, GPS/QZSS L1 C/A, L5C, GLONASS L1OF, BeiDou B1I, B2a Galileo:E1, E5a SBAS L1 C/A: WAAS, EGNOS, MSAS, GAGAN
- Navigation Update Rate: Max: 5Hz default Max: 10 Hz
- Positioning Accuracy: 3D Fix
- Time to first fix:
- Cold start: 28s
- Aided start: EASY
- Sensitivity:
- Tracking & Navigation: -165 dBm
- Assisted GNSS: EASY DGPS
- Oscillator: 26Mhz TCXO
- RTC crystal: 32.768KHz
- Available Antennas: L1+L5 multi frequency antenna
- Signal Integrity: L1+L5 GPS GLONASS GALILEO BEIDOU QZSS SBAS
- Protocols & Interfaces:
- UART/I2C: JST_GH Main interface, Switch internally.


