Global Foundation for Ocean Exploration Engineers Chris Ritter and Don Liberatore carry the USBL transponder after successful calibration and recovery of the unit.
USBL Transponder
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2017 Laulima O Ka Moana.
Global Foundation for Ocean Exploration Engineers Chris Ritter and Don Liberatore carry the USBL transponder after successful calibration and recovery of the unit. Download larger version (jpg, 7.5 MB).
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