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![A new type of hydrophone block for Radio Acoustic Ranging theb2247.jpg A new type of hydrophone block for Radio Acoustic Ranging](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2247.jpg?itok=ZJ24gPRk)
Description
A new type of hydrophone block for Radio Acoustic Ranging.On the GUIDE (Image credit: C&GS; Season's Report Luce 1925)
Credit
C&GS; Season's Report Luce 1925
Display Date
1925
Location
San Clemente Island area, California
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
Radio Acoustic Ranging
Keywords
Charting
Navigation
Electronic
Radio-Acoustic Ranging