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pl23_theb2258.jpg

A schematic view of RAR and echo-sounding

Image

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Permalink

https://www.noaa.gov/media/digital-library-photo/pl23theb2258jpg

Description

A schematic view of RAR and echo-sounding.Diagram in public information brochure

Credit

NOAA Central Library

Display Date

1934

Collection

Historic Coast & Geodetic Survey

Nautical Charting

Navigation

Radio Acoustic Ranging

Keywords

Charting

Navigation

Electronic

Radio-Acoustic Ranging