During field trials in July 2012 of the multibeam echo sounding equipment on RV " Falkor ", the team aboard discovered the wreck of lost polar expedition ship " Terra Nova " off the southern coast of Greenland.
32.
Since this original compilation several smaller surveys has discovered many more subglacial lakes throughout Antarctica, notably by Carter et al . ( 2007 ), who identified a spectrum of subglacial lake types based on their properties in radio-echo sounding datasets.
33.
The " Imperial Star " class were motor ships . " Melbourne Star " and " Brisbane Star " each had a pair of 10-cylinder NHP . Her navigation equipment included wireless direction finding, an echo sounding device and a gyrocompass.
34.
Seismic soundings and echo soundings indicate its roof lies 2.3 to 2.6 miles ( 3.7 to 4.2 kilometers ) beneath the ice at various points of its length, and the water is estimated to be 1, 600 feet ( 500 meters ) deep.
35.
Seismic soundings and echo soundings indicate its roof lies 2.3 to 2.6 miles ( 3.7 to 4.2 km ) beneath the ice at various points of its length, and the water is estimated to be 1, 600 feet ( 500 meters ) deep.
36.
Behm was granted German patent No . 282009 for the invention of echo sounding " ( device for measuring depths of the sea and distances and headings of ships or obstacles by means of reflected sound waves ) " on 22 July 1913.
37.
It was further delineated by the Scott Polar Research Institute National Science Foundation Technical University of Denmark airborne aerial radio echo sounding program, 1967 79, and named after the Lockheed LC-130 Hercules aircraft which was used on all echo sounding flights from 1969.
38.
This revised description, excluding Bentley Subglacial Trench and smaller basins to the south of Flood Range and the Ford Ranges, follows delineation of the region by the Scott Polar Research Institute National Science Foundation Technical University of Denmark airborne radio echo sounding program, 1967 79.
39.
It was further delineated by the Scott Polar Research Institute National Science Foundation Technical University of Denmark airborne aerial radio echo sounding program, 1967 79, and named after the Lockheed LC-130 Hercules aircraft which was used on all echo sounding flights from 1969.
40.
German inventor Alexander Behm was granted German patent No . 282009 for the invention of echo sounding " ( device for measuring depths of the sea and distances and headings of ships or obstacles by means of reflected sound waves ) " on 22 July 1913.
