відбитий сигнал (імпульс); радіоехо
echo location/echo ranging
army returned vehicle park
bottom echo signal
Signal Kit / MK-79 (illumination signal kit)
E – ECHO
echo depth finder
echo sounder
echo sounding
bottom echo
coherent echo
coherent echo modulation and detection
Doppler echo indicator
echo area
echo frequency
echo intensity
mirror-reflection echo
precipitation echo
second-trip echo
echo
Echo (phonetic alphabet)
target echo
acknowledgement signal
alarm signal
arm-and-hand signal
audio signal
caution signal
combined signal
command and signal
command signal center
control signal
distress signal (=SOS)
field army signal brigade