ARINC Characteristic 714-6:1990

Ground-to-air selective calling system characteristics are defined by this standard. The system allows selective calling of individual aircraft over radio communications circuits linking the ground station to the aircraft. Elements comprising overall system are ground selecting calling unit (coder), ground-to-air transmitter (HF or VHF), airborne receiver (HF or VHF), airborne selective calling unit (decoder), and code selection panel.