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NOAA Photo Library Image - theb2327

Raydist strip chart record used to keep track of individual navigation rates. These strip charts required continuous monitoring by a watch-stander. Used to assure navigational accuracy during hydrographic surveying operations. First tests of Raydist on SOSBEE in 1954. Used for over 40 years with various systems

Image ID: theb2327, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Tampa Bay area
Photo Date: August 20, 1954
Credit: C&GS Season's Report Bolstad 1954

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

High Resolution Photo Available

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Last Updated:
November 10, 2017