Early magnetic profiles resulting from experimental navigation systems in 1945

Navigation lattice generated by Shoran transmitting stations in the western Aleutian Islands in 1945. This was the first experimental use of a purely electronic navigation system by the Coast and Geodetic Survey and was an outgrowth of World War II aerial navigation developments. (NOAA Photo Library)

Related Links

History: Age of Electronics (1923-1945)

History: Timeline

NOAA Ocean Explorer Gallery: History