![](https://i0.wp.com/aerosavvy.com/wp-content/uploads/2018/08/ATIS-Feature-Image.jpg?resize=326%2C245&ssl=1)
ATIS: Automatic Terminal Information Service
“O’Hare Tower, We Have Your Numbers” Since the beginning of aviation, the primary means of pilot-controller communication has been voice over the radio. By the late 1950s, air traffic control radio frequencies were becoming congested. […]