mobile service
radiocommunication service between mobile and land stations, or between mobile stations
aeronautical mobile service
mobile radiocommunication between aeronautical stations and aircraft stations, or between aircraft stations
land mobile service
mobile radiocommunication between base stations and land mobile stations, or between land mobile stations
maritime mobile service
mobile radiocommunication between coast stations and ship stations, between ship stations, or between associated on-board communication stations
aeronautical mobile-satellite service
mobile-satellite radiocommunication in which mobile earth stations are located on board aircraft