Technical Background
ATIS systems can be classified as Solid-State and PC-based. Solid-State ATIS systems are microcontroller-powered devices that incorporate speech synthesis and data processing in a single piece of proprietary equipment, while PC-ATIS systems are based on COTS-Hardware, like normal rack-mounted PCs with multiple high-performance soundcards.
Many airports also employ the use of Digital ATIS (or D-ATIS). D-ATIS is a text-based, digitally transmitted version of the ATIS audio broadcast. It is accessed via a data link service such as the Aircraft Communications Addressing and Reporting System and displayed on an electronic display in the aircraft. The D-ATIS is incorporated on the aircraft as part of a systems such as an EFB or an FMS. D-ATIS may be incorporated into the core ATIS system, or be realized as a separate system with a data interface between voice ATIS and dATIS.
Read more about this topic: Automatic Terminal Information Service
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