Sounding can refer to:

Look up sounding in
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• Determination of the depth of water usually in the sea. Originally using a weighted line called a lead line, more recently using
  • Echo sounding
• Whale sounding, the act of diving by whales
• an atmospheric sounding
• various methods in telecommunications
  • Ionospheric sounding
  • Automatic sounding
  • Automatic link establishment
• Urethral sounding in medicine
• various methods in geophysics:
  • vertical electrical sounding (VES), see Schlumberger brothers
  • electromagnetic sounding
• sounding rockets which take measurements during suborbital flight
• the present participle of sound

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