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Report from the Ron Brown: June 15, 1999

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Photo (left): Forward masts on RHB support IMET package (right), flux system (jackstaff, center), and radiation measurements (bow tower, left). Aerosol intake gooseneck is also visible.

Other snapshots from the Ron Brown
Daily Weather Forecast Mirai Updates! Nauru Updates!

Commentary:

The Ron Brown departed Darwin Harbor on time during strong 7-meter ebb tides but no seasickness was reported among the scientists. Significant engine vibrations were felt throughout the ship (several Hz) -- bad for lidars.

Date: June 15, 1999
Local Time: Local Time: 15:50, 0620 Z
GPS Ship Position:

Lat. 11 deg 51.14 min S

Long. 131 deg 30.76 min E
Heading: 075 [deg]
Surface Wind: 136 [deg], 5.2 [kts]
Temperature: 26.3 [deg]

Visual Observations:

High cirrus, 5% coverage. Light chop on ocean. Beautiful day to begin mission.

Instrument Status:

The Ron Brown made two 360° "pivot" turns, with thrusters, to calibrate magnetometers. The Depolarization and Aerosol Backscatter Unattended Lidar was down with networking problems. The High-Resolution Doppler Lidar is ok but with no ship motion compensation yet. The S-band went down shortly after departure with computer/control problem. All other sensors are up and running.

Previous Days' Updates:

June 14, 1999
June 10, 1999

 

 

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