(рлк.) частоти зондувального сигналу C і X діапазонів
shift frequencies
aurora bands
radar frequency bands
sounding rocket
balloon sounding
atmosphere sounding
rawin sounding
rocket sounding
rocket sounding network
wind-velocity sounding
space sounding
upper-air sounding
echo sounding
sounding
Signal Kit / MK-79 (illumination signal kit)
observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)
arm-and-hand signal
command and signal
caution and advisory panel / emergency warning signal unit
emergency warning signal unit / caution and advisory panel
reconnaissance and signal sergeant
command and signal matters
acknowledgement signal
alarm signal
audio signal
caution signal
combined signal
command signal
command signal center
control signal
distress signal (=SOS)
echo (returned signal)