ESP-GPS
GNSS Settings
The optimal GNSS settings for the ESP-GPS have been determined through extensive testing:
| Parameter |
Value |
| GNSS |
GPS + Galileo + BeiDou B1C |
| Max satellites |
28 |
| Sample rate |
5 Hz 1 |
| CPU Freq |
80 MHz 2 |
| Logging |
GPY + TXT |
- It will be a surprise to many people, but 5 Hz actually produces more accurate data than 10 Hz.
- Firmware Rtos6.1betaB74 changed the buffering and made 80 MHz suitable for 5 Hz and 10 Hz logging.
References
- ESP-GPS - repository for code and documentation on GitHub
- Static ESP Testing - determining optimal GNSS settings, including 5 Hz vs 10 Hz