. . "London District Signals" . . . . "26th (London) Air Defence Brigade Signals" . . . . "11th AA (Mixed) Signal Regiment" . . "1st Anti-Aircraft Divisional Signals" . "26th (London) Anti-Aircraft Signal Company" . . "London_District_Signals#World_War_II" . "847 (London) Signal Troop" . . "London_District_Signals#Postwar" . "83 (London) Signal Squadron" . . "62 (Mixed) Signal Regiment (Cinque Ports)" . . "1908" . "London Cable Telegraph Company" . . "11 AA (M) Signal Regiment" . "London Air-Line Telegraph Company" . . "London District Signals" . . "London Cable Signal Company" . . "27th (London) Anti-Aircraft Signal Company" . . . . "1 AA Group Mixed Signal Unit" . . . "1st AA Divisional Signals" . "London District Signals, Royal Corps of Signals" . . . "6th AA Divisional Signals" . "London Wireless Telegraph Company" . . . . .