Question: What kind of media station did the broadcaster Turaga Janaki Rani work with for two decades, which is a station which uses the technology of radio waves to carry information by systematically modulating properties of electromagnetic energy waves transmitted through space?
Sentence (from "Radar"): Radio waves (pulsed or continuous) from the transmitter reflect off the object and return to the receiver, giving information about the object's location and speed.
Relevant evidence: No