With 67,000 echo soundings, cartographers were able to produce a modern depth chart.

For instance, echo soundings don't help.

On the way back to Europe, the aircraft carrier conducted oceanographic, biological and meteorological observations and every fifteen to thirty minutes echo soundings were taken.

In 1920 he founded the Behm Echo Sounding Company in Kiel in order to commercialise his invention.

SEP research has contributed greatly to improving the theory and practice of constructing 3-D and 4-D images of the earth from seismic echo soundings (see: Reflection seismology).

To gauge the thickness of various silt deposits offshore, the Stanford team used a side-scan sonar apparatus towed behind a boat to make echo soundings of the sea bottom around the Southern Argolid.

She stayed below the surface for a quarter of an hour while the captain checked his position by the lighthouse on the distant shore and by echo soundings, and while John Osborne checked the atmospheric and sea radiation levels, with fingers fumbling irritably upon his instruments.