Adaped the Adafruit CircuitPython GPS library to run on the Raspberry Pi and added some examples. Tested with the Adafruit Ultimate GPS Breakout board.
This will be running on the Pilomar telescope which uses the default uart. The Raspberry Pi 4 allows to run multiple UARTs at the same time. To enable, add these lines to /boot/config.txt
# Enable UART5 for GPS
dtoverlay=uart5
We are using UART5 which uses GPIO pints 12 and 13 which are broken out on the Pilomar PCB :)