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Tidal Currents
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Coast-Geodetic-Survey
Nautical Charting
Tides and Tidal Currents
Tidal Currents
Tides and Tidal Currents
Snarled anchor cable and current meter cables.Sometimes things go seriously wrong.Current studies in SE Alaska
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Current pole on the PATTERSON.
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Price Current Meter used on the SURVEYOR.
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Ekman Current Meter used on the SURVEYOR.
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Albert J. Hoskie Hoskinson helping deploy bi-filar current meter.Current party of Ralph W. Woodworth, lower left.Current studies in Boston Harbor.Newspaper clipping from Boston Post, June 20, 1926
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Scaling the tapes from recording current meters.Working on the OCEANOGRAPHER.
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Test designs for buoys for Roberts Radio Current Meters.Buoy designs by Elliott B. Roberts.Tests conducted on LESTER JONES
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Simulated 10.8 knot current as buoy streamed from bow of test vessel.Buoy design for Roberts Radio Current Meter.Tests conducted on LESTER JONES
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Simulated 6.4 knot current as buoy streamed from bow of test vessel.Buoy design for Roberts Radio Current Meter.Tests conducted on LESTER JONES
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Components of Roberts Radio Current Meter.This meter was invented by Elliott B. Roberts.It was the first current system to telemeter current information.Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology.Tests conducted on LESTER JONES
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Roberts Radio Current Meter ready to be deployed.This meter was invented by Elliott B. Roberts.It was the first current system to telemeter current information.Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology.Tests conducted on LESTE
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Streamlined buoy and Roberts Radio Current Meter ready for deployment.This meter was invented by Elliott B. Roberts.It was the first current system to telemeter current information.Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology.Tes
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Preparing a streamlined buoy for planting with Roberts Radio Current Meter.Inventor Elliott B. Roberts kneeling next to buoy.It was the first current system to telemeter current information.Buoy telemetry was an outgrowth of RAR radio-sono-buoy techn
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Different configurations of Roberts Radio Current Meter.This meter was invented by Elliott B. Roberts.It was the first current system to telemeter current information.Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology.Tests conducted o
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Streamlined buoy with Roberts Radio Current Meter.This meter was invented by Elliott B. Roberts.It was the first current system to telemeter current information.Buoy telemetry was an outgrowth of RAR radio-sono-buoy technology.Tests conducted on LEST
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Oops!!! Buoy pulled under by strong currents under Golden Gate Bridge.In spite of the best laid plans, sometimes things go awry.Photo #1 of sequence
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There!!! That's better. This time the buoy is staying above water.Buoy in Golden Gate - Alcatraz Island in background.Photo #2 of sequence
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Roberts Radio Current Meter ready for deployment in Akutan Pass.
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Streamlined buoy with Roberts Radio Current Meter.Ready for deployment in Akutan Pass
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Streamlined buoy with Roberts Radio Current Meter.Deployed in Unalga Pass
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