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NOAA Photo Library Image - theb2297

Erecting EPI (Electronic Position Indicator) antenna. EPI was a medium frequency system that was useable out to 200 miles. Invented within the Coast and Geodetic Survey

Image ID: theb2297, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Nunivak Island, Bering Sea, Alaska
Photo Date: 1951
Credit: C&GS Season's Report Reed 1951-123

Category: Charting/Navigation/Electronic/HF and MF Systems/

High Resolution Photo Available





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Last Updated:
May 12, 2014