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Carl Aslakson monitoring EPI receiver on HYDROGRAPHER Picture

Carl Aslakson monitoring EPI receiver on HYDROGRAPHER

Carl Aslakson monitoring EPI receiver on HYDROGRAPHER. Field testing of EPI - first medium frequency survey navigation system. Invented within the Coast and Geodetic Survey

Photo Category: Charting - Navigation - Electronic - HF and MF Systems
Photo Location: Gulf of Mexico
Photo Date: August, 1948

Author: Family of Captain George L. Anderson, C&GS/ NOAA

License: Public Domain Mark 1.0 (Public domain)
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Added On
18th October 2015
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