NTRIP server running on Olimex ESP32-POE hardware along with a i2c connected ZED-F9P GNSS module.
The admin/configuration webpages are built with bootstrap to allow for scaling on mobile devices.
The solution has been tested successfully against RTK2GO.com.
Sparkfun: For making excellent libraries for the ZED-F9P GNSS module as well as information on how to get started with RTK GPS.