2014 Nathaniel B. Palmer Sea Acceptance Report

Cruise ID: NBP1405 Multibeam System: EM122 Dates: June 14-19, 2014 TThe Kongsberg Maritime (KM) EM120 multibeam echosounder (MBES) aboard the RVIB Nathaniel B.

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2014 Healy Acoustic Test Report

Vessel: USCGC Healy Multibeam System: EM122 Dates: August 13-24, 2014 Gates Acoustic Services was tasked by SCRIPPS Institute of Oceanography to investigate and quantify acoustic issues associated with operation of the USCGC HEALY (WAGBG20).

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2014 Sikuliaq Acoustic Test Report

Vessel: R/V SikuliaqMultibeam System: EM302/EM710Dates: September 12-18, 2014 Gates Acoustic Services was tasked by University of Alaska, Fairbanks, to investigate and quantify acoustic issues associated with operation of the R/V SIKULIAQ.

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2014 Sikuliaq Sea Acceptance Report

Cruise ID: SKQ201400L3Multibeam System: EM302/EM710Dates: August 9-18, 2014 The multibeam systems and attendant sensors on R/V Sikuliaq were successfully evaluated.

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2014 Nautilus Spring Quality Assessment Report

Cruise ID: NA040 Multibeam System: EM302 Dates: May 4-9, 2014 As it stands now, the EM302 and associated sensors are working well as compared to other EM302s evaluated recently.

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2014 Falkor Spring Quality Assessment Report

Vessel: R/V Falkor Multibeam System: EM302/EM710 Dates: February 4-7, 2014 The transducer impedances are similar to baseline measurements in 2012 and with those taken in 2013.

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2014 Falkor Fall Quality Assessment Report

Vessel: R/V Falkor Multibeam System: EM710/EM302 Dates: September 22-24, 2014 The R/V Atlantis replaced its EM122 multibeam echosounder with an EM124 upgrade during the 2020-21 mThe EM302 and EM710 multibeams were successfully calibrated and verified for use with both the loaner Seapath MRU and the new POS MV.

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