Noun
English Wikipedia has an article on:radiodeterminationWikipedia
radiodetermination (uncountable)
Determination of the position, velocity, or other characteristics of an object by means of radio waves
Radio Stations and Systems – Article 1.100, definition: radar / RADAR A radiodetermination system based on the comparison of reference signals with radio signals reflected, or retransmitted, from the position to be determined. Source: Internet
Each radiodetermination system shall be classified by the radiocommunication service in which it operates permanently or temporarily. Source: Internet