For GPS logging, the address needs to be ttyUSB1, ttyUSB2 or ttyUSB3. There are also only a select few measurements allowed. The measurement names must be the following GNGNS, GPGGA and/or GPRMC. Under each measurements these variables are possible:
GNGNS
| Mapping |
|---|
| Status |
| Latitude |
| Longitude |
| Hdop |
| OrthometricHeight |
| NumberOfSatellites |
GPGGA
| Mapping |
|---|
| Quality |
| Latitude |
| Longitude |
| Hdop |
| Altitude |
| NumberOfSatellites |
GPRMC
| Mapping |
|---|
| Active |
| Latitude |
| Longitude |
| Course |
| MagneticVariation |
| Speed |
If you want to see an example of how we set up a GPS, you can follow this tutorial.