RUNWAY VISUAL RANGE SIGNAL DATA CONVERTER SYSTEM
... system which converts the pulse rate from a transmissometer to an appropriate RVR value depending on the ambient light level and the setting of the runway light intensity switch in the tower. Document ...
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BRIGHT RADAR INDICATOR TOWER EQUIPMENT (BRITE)
... data to the controller at sufficient brightness, contrast and resolution to be used for air traffic purposes in the extremely high and variable ambient light level encountered in a control tower cab ...
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