Aerial distribution unit for the Plessey Instrument Landing System (ILS) aerial array from Birmingham Airport, 1970-1975. Aerial Distribution Unit for Plessey Aerial Array 1970-1975
Aerial distribution unit quadrature clearance panel for the Plessey Instrument Landing System (ILS) aerial array from Birmingham Airport, 1970-1975. Aerial Distribution Unit for Plessey Aerial Array 1970-1975