Page 12 - Royal Observer Corps

Looking down onto display A on the right, with display B on the left. Plotters stood
behind plotting information via the display tellers. Display A showed the Group
boundaries along with neighbouring Groups.

This photograph, taken inside the Bedford Bunker shows the warning districts
displayed and where all bomb bursts are plotted. Red for ground burst and Green for
air burst, fallout plumes and times.

Display B showed the bombs and covered a larger area.