BS EN 50121-2. Railway applications. Electromagnetic compatibility. Part 2. Emission of the whole railway system to the outside world Railway equipment, Electromagnetic compatibility, Noise (spurious signals), Electromagnetic radiation, Electromagnetic fields, Electrical equipment, Electronic equipment & components, Radio disturbances, Emission, Emission measurement, Railways, Railway vehicles, Railway electric traction equipment, Electric substations, Railway fixed equipment, Urban railways, Cartography Railway applications