Signal
Signal (magasin)
Unix-signal
Signal-støy-forhold
Signal Hill
Slaget ved Signal Hill
Wow!-signalet
The Danger Signal
Signal Iduna Park
Signal to Noise
18 (UKSF) Signal Regiment
Signal Hill (Cape Town)
Signal de Botrange
Jernbanesignal
Signal to Noise (album)
Royal Corps of Signals
Queen’s Gurkha Signals
Signal Motor Truck Corporation
Signal transducer CD24
Signals
Marconi Company
Australian Signals Directorate
Signalen
Signaler
Signalen (Hurdal)
Signaletterretning
Militær-historisk museum for artilleri, ingeniør og signal korps.