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Description
Planting a hydrophone anchor with the cable attached.On the GUIDE.Hydrophone would pick up sound from RAR TNT explosion. (Image credit: C&GS; Season's Report Luce 1924-49)
Credit
C&GS; Season's Report Luce 1924-49
Display Date
1924
Location
Oregon, Cape Blanco area
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
Radio Acoustic Ranging
Keywords
Charting
Navigation
Electronic
Radio-Acoustic Ranging