ARINC743C GNSS LANDING SYSTEM SENSOR UNIT (GLSSU) WITH VHF DATA BROADCAST (VDB) RECEIVER

This document sets forth the characteristics of the Global Navigation Satellite System (GNSS) Landing System Sensor Unit (GLSSU) with a built-in VHF Data Broadcast (VDB) receiver. The intent of this document is to provide general and specific design guidance for the development of GLSSU for airline use. It describes the desired operational capability of the GLSSU and the standards necessary to ensure interchangeability.