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Sounding generally refers to a mechanism of probing the environment by sending out some kind of stimulus.

Sounding or soundings may refer to:

Medicine and surgery[edit]


Science and technology[edit]


  • Ionospheric sounding, analysis of ionospheric-dependent radio propagation using a synchronized transmitter and receiver
  • Automatic sounding, the testing of selected channels for quality by providing a very brief identifying transmission
  • Automatic link establishment, the worldwide de facto standard for digitally initiating and sustaining HF radio communications

See also[edit]