(морський) сигнал лиха
distress alert; distress call
distress signal (=SOS)
Global Maritime Distress Safety System (GMDSS)
ship in distress
suffer distress
distress
distress call
distress landing
distress message
distress phase
distress signal
distress traffic
in distress
international distress frequency
distress beacon
Space System for Tracking Ships and Aircraft in Distress – Search and Rescue Satellite (COSPAS-SARSAT)
radio distress call
foreign instrumentation signals
original signals
satellite signals navigation set
signals centre
signals intelligence (SIGINT)
signals intelligence system
signals intercept
signals officer
yeoman of signals
firing signals (opening, shifting, ceasing fire)
Greedy Sergeant Major Eats Small Corporals, the (Ground; Situation; Mission; Execution; Service support; Command and signals)
commendation for signals transmitted accurately and rapidly
Joint Signals Board
features of synthesis algorithm implementation for reflected signals
synthesis algorithm realization (for reflected signals)