Complex sentence: A satellite truck is a mobile communications satellite earth station, typically mounted on a truck chassis as a platform allowing satellite transmission from any location that the production truck can reach, provided a line of sight (direct view) to the desired satellite is available.
Split into simpler sentences: A satellite truck is a mobile communications satellite earth station, typically mounted on a truck chassis as a platform. Satellite communication allows transmission from any location that the production truck can reach, provided a line of sight (direct view) to the desired satellite is available.