Caster for RVMP (RTCM Via MQTT Protocol) using the MQTT msg/protocol (as a secure and opensource alternative to NTRIP) to get RTK correction data from BaseStations to Broker and to Rover GPS units. (GNU GPL V3)
Check:
https://github.com/hagre/RVMP_RTCM-VIA-MQTT-PROTOCOL
https://github.com/hagre/RVMT_RTCM-VIA-MQTT-TRANSMITTER
https://github.com/hagre/RVMR_RTCM-VIA-MQTT-RECEIVER
Running on a mosquitto MQTT broker (with TLS !).
Not completly sure, if i will use note-red or python with paho.