DESIGN AND DEVELOPMENT OF REMOTE MONITOR INDICATOR AND CONTROL SYSTEM FOR CATEGORY III ILS.
WILCOX ELECTRIC CO INC KANSAS CITY MO
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Equipment was required which would collect information regarding the operational status of the various transmitters andor monitors and use that information in two ways 1 Transmitter control - The Category III Instrument Landing System must provide extremely reliable ILS guidance information to the aircraft in the worst weather conditions. To fulfill these requirements, both main and standby transmitters would be required for each navigational aid localizer, glide slope, etc.. 2 Transmittermonitor status indication - operating personnel in the tower equipment room and at the tower cab must be continually informed about the operational status of the ILS. The information collected from the monitors is used according to a predetermined logic to indicate whether all units in the system are operating satisfactorily. Author