| signal source | Signalgenerator |
| signal source device | Zuspielgerät |
| signal source sampling | Abfrage |
| signal space | Signalraum |
| signal splitter | Signalteiler |
| signal stand | Signalbock |
| signal state | Signalzustand |
| signal strength meter | S-Meter |
| signal string | Signalfolge |
| Signal theory | Signaltheorie |
| signal to noise | Störspannungsabstand |
| signal to noise ratio | Signal-Rausch-Verhältnis |
| signal tone | Freiton |
| signal tower | Stellwerk |
| signal tracer | Signalverfolger |
| signal track | Mittenfrequenznachführung |
| signal transducer | Messwertwandler |
| signal transducers | Messwertwandler |
| Signal transduction | Signaltransduktion |
| signal transfer point | Zeichengabe-Transferpunkt |
| signal transmitter | Signalgeber |
| signal transmitters | Signalgeber |
| signal troops | Nachrichtentruppen |
| signal trumpet | Signaltrompete |
| signal tumor | Signaltumor |
| signal tumour | Signaltumor |
| signal unit | Signaleinheit |
| signal velocity | Signalgeschwindigkeit |
| signal violet | signalviolett |
| signal voltage | Signalspannung |
| signal white | signalweiss |
| signal wire | Zugseil |
| signal wiring list | Signalverbindungsliste |
| signal word | Signalwort |
| signal yellow | signalgelb |
| signal-beams | Peilstrahlen |
| signal-controlled crossing | ampelgesteuerter Fußgängerübergang |
| signal-element timing | Schrittakt |
| signal-flow graph | Signalflussbild |
| signal-harmonics ratio | Oberwellenabstand |
| signal-noise ratio | Störverhältnis |
| signal-red | signalrot |
| signal-service | Fernmeldedienst |
| signal-sevice | Fernmeldedienst |
| signal-to-cross-modulation ratio | Kreuzmodulationsabstand |
| signal-to-crosstalk ratio | Grundwert des Nebensprechens |
| signal-to-hum ratio | Brummabstand |
| signal-to-interence ratio | Störabstand |
| signal-to-interference ratio | Störabstand |
| signal-to-intermodulation ratio | Intermodulationsabstand |
| signal-to-noise ratio | Rauschabstand |
| signal-to-noise ratio , STN | Störspannungsabstand , STN |
| signal-to-noise-with-load ratio | Rauschabstand bei Belastung |
| signal-to-noise-with-tone ratio | Rauschabstand bei Belastung |
| signal-to-pilot ratio | Pilotabstand |
| signal-to-psophometric-noise ratio | Geräuschabstand |
| signal-to-x-modulation ratio | Kreuzmodulationsabstand |
| signaled | geblinkt |
| signaler | Signalist |
| signalers | Signalgasten |
| signaling | Meldung |
| signaling button | Signaltaste |
| signaling channe | Signalisierungskanal |
| signaling channel | Signalisierungskanal |
