Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

UK: Voltage controlled clearance technology has been used to avoid the need to rebuild seven bridges and four signal gantries ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

In this book, Derek Cross takes a journey along the West Coast route illustrating trains in many settings from the steam age through to modern traction.