She sailed from San Diego 20 August to escort HIJMS Tama and to provide radio compass and communication for a nonstop west coast-to-Hawaii flight.
12.
From 3 March to 3 April 1920 " Dale " patrolled New England waters aiding in the recalibration of radio compass stations in the 1st Naval District.
13.
Assigned to Destroyer Force, U . S . Atlantic Fleet, she operated with destroyer squadrons along the Norfolk in the calibration of radio compass stations in the 5th Naval District.
14.
From 1917-1920 Ballantine attended Drexel Institute and worked as a radio expert at the Philadelphia Naval Shipyard, where he led design of the Navy coil-type radio compasses.
15.
Unfortunately, Vaitkus had to fight the worst possible weather conditions, flying through rain, fog, and icing, so that most of his navigation had to be by his new radio compass.
16.
In June 1921 she rejoined the Destroyer Force and participated in scheduled drills and exercises along the Atlantic coast and for a time had special duty in connection with the calibration of coastal Radio Compass Stations.
17.
He asked for a radio compass, modifications to the oxygen delivery system, and large long-range fuel tanks to be installed on this plane, and these requests were granted by March 1941.
18.
In 1921, he left the National Bureau of Standards to join the Federal Telegraph Company as chief research engineer, as part of the company's bid to commercialize the radio compass technology to ships.
19.
The other possibility of mistaken location was supported by statements of other Aero O / Y pilots who claimed that the radio transmitter beacon " Locator S " had given wrong readings to the airplane radio compass.
20.
*1952 A Royal Air Force Boeing B-29 Superfortress, WF570, of 35 Squadron, RAF Marham, flies into ground ENE of Marham whilst attempting a radio compass let down in bad weather.
