X-Nico

unusual facts about echo sounding



Willy Christian Simonsen

The brand name Simrad became known in the communications business, and was leading in echo sounding equipment.


see also

Guyot

Guyots were first recognized by Harry Hammond Hess in 1965 who collected data using echo-sounding equipment on a ship he commanded during World War II.

Zelee Subglacial Trench

The feature was delineated by the Scott Polar Research Institute (SPRI)-NSF-TUD airborne radio echo sounding program, 1967-79, and named after the corvette Zelee (Lt. Charles Jacquinot) of the French expedition, 1837–40 (Capt. Jules Dumont d'Urville).