A sono-radio-buoy developed to eliminate need for station boats.
RAR operations in the Gulf of Mexico.
Forerunner of Anti-submarine warfare sonobuoys
Image ID: theb2260, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1936
Credit: NOAA Central Library
Category: Charting/Navigation/Electronic/Radio-Acoustic Ranging/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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November 10, 2017