Later that day, Lt . Milton R . Rubb and his electronics technician team returned the fathometer to operational status, and the Chief Engineer Donald D . Fears, Reactor Officer Lt . Cmdr.
32.
The process can be repeated up to 40 times per second and eventually results in the bottom of the ocean being displayed versus time ( the fathometer function that eventually spawned the sporting use of fishfinding .)
33.
On 28 April, " Snowden ",, and left their screening positions to make fathometer readings at the head of an oil slick . " Snowden " made a reading at 560 feet.
34.
Captain Beach was deeply impressed by " this spirit and outlook [ that ] permeated our crew . " He was also " astonished " by two different makeshift fathometer sound transmitters created by the electronics and engineering crewmen.
35.
Dr . Lyon and researcher Art Roshon developed an under-ice sonar that allowed completion of the first winter cruise by " Sturgeon " class submarines by inverting a fathometer and putting it on top of the submarine.
36.
During her patrol, she had also encountered other problems common to all S-boats operating in the area : loose superstructure plates, the lack of a fathometer and radar, inadequate interior hull insulation, and poor operating weather.
37.
"Valiant "'s mission capabilities are greatly enhanced by sophisticated electronic equipment such as : a Global Positioning System, surface search radar with a computerized collision avoidance system, radio direction finders, fathometers, and different types of radios.
38.
During one such exercise, she reached latitude 79 degrees 11 minutes north in the Kane Basin, at the time a record for the United States Navy . " Atule " had been equipped with the first upward-beamed fathometer for measuring ice thickness overhead.
39.
The equipment included a fathometer, a Dorsey sonic depth finder, a Hughes automatic depth recorder system, a special taut-wire measuring gear with 120 nautical miles ( 138 statute miles; 222 km ) of fine wire and several tons of iron balls, and hydrophones.
40.
It was subsequently determined that the cabling to the " Triton " s fathometer head, located in the bulbous forefoot of her bow, had not been properly insulated, and the constant buffeting from " Triton " s high speed caused these cables to rupture, rendering the fathometer inoperable.
