2021 Okeanos Explorer MKII SAT

Cruise ID: EX2101 Multibeam System: EM304 Dates: April 16 – May 10, 2021 The Okeanos Explorer replaced its original Kongsberg EM302 TX array (2007) with a new EM304 MKII array during the 2020-21 winter maintenance period.

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2021 Sally Ride EM124-SAT EM712-QAT

Cruise ID: SR2104 Multibeam System: EM124/EM712 Dates: June 27 – July 7, 2021 The R/V Sally Ride (SR) received an upgrade of its EM122 topside electronics (installed 2016) to new EM124 hardware and installation of a new SBP29 subbottom profiling system during the 2020-21 maintenance period.

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2021 Atlantis EM124 Sea Acceptance Tests

Cruise ID: AT43-02 Multibeam System: EM124/Seapath 380 Dates: July 18-21, 2021 The R/V Atlantis replaced its EM122 multibeam echosounder with an EM124 upgrade during the 2020-21 midlife refit period; a Seapath 380 position/attitude system was installed to replace the PHINS as the primary feed to the multibeam mapping system.

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2020 Roger Revelle SAT EM712 and EM124

Cruise ID: RR2002 Multibeam System: EM712/EM124 Dates: October 18-25, 2020 The R/V Roger Revelle (RR) underwent a major mid-life refit / repower during 2018-2020, receiving newengines and a new gondola to reduce bubble sweep along the acoustic transducers.

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2020 Okeanos Explorer EM304 SAT

Cruise ID: EX2000 Multibeam System: EM304 Dates: March 3-8, 2020 The Okeanos Explorer received a Kongsberg EM304 multibeam echosounder topside upgrade over the 2019-20 winter maintenance period.

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2019 Vessel Geometry and MBES Offset Recommendations

Vessel survey reports (VSRs) play a critical role throughout service life (10+ years) of a multibeam echosounder system (MBES) and provide the foundation for future vessel and sensor surveys.

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2018 Okeanos Explorer EM302 SAT

Cruise ID: EX1810 Multibeam System: EM302 Dates: October, 2018 The primary RX array SAT activities included: 2018-10-02: depart Quonset, RI EM302 TX and RX array survey review EM302 and POS MV geometry / config.

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2018 NOAA Ship Thomas Jefferson Launch 2903 and 2904 EM2040 SAT

Vessel: Thomas Jefferson Multibeam System: EM2040 Dates: May/July 2018 We installed two Kongsberg EM2040 multibeam echo sounders, one on each of Thomas Jefferson’s two hydrographic survey launches from May 19th through May 20th in Pascagoula, MS.

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2018 Thomas G. Thompson EM302 SAT Report

Cruise ID: TN347 Multibeam System: EM302 Dates: January 8-12, 2018 Conducted January 8-12, 2018 to test the new Kongsberg EM302 (upgraded from EM300) and Applanix POS MV V5.

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2017 NOAA Ship Fairweather Launch SAT

Vessel: R/V Fairweather Multibeam System: EM2040 Dates: May 22- May 26, 2017 We installed four Kongsberg EM2040 multibeam echo sounders, one on each of Fairweather’s hydrographic survey launches during the spring of 2017 in Newport, OR.

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