Well known in the P3D community, Cartayna Files provided a large coverage of airports with configuration files for Ground Services X, in order to get the airport services correctly activated, precisely placed for your aircraft parked on the different spots available.
These are not compatible with the new GSX for MSFS, so they need to be redone specially for this simulator. Here is the first pack to cover a series of 10 airports. More details and the airports coverage list are visible at simMarket here.
