EM122

  • 2023 R/V Healy EM122 QAT Report

    Cruise ID: HLY23TAMultibeam System: EM122Dates: May 23 – July 13, 2023 Attached Documents Report: Related Information

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  • 2023 R/V Kilo Moana EM122/EM710 QAT Report

    Vessel ID: R/V Kilo Moana Multibeam System: EM122/EM710 Dates: March 21-22, 2023 KM 2023 QAT Executive Summary Attached Documents Report: Related Information

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  • 2023 R/V Langseth EM122 QAT Report

    Cruise ID: MGL2301Multibeam System: EM122Dates: February 2-5, 2023 As part of the QAT, major updates were made to the Seapath 330, POS MV V5, and EM122 configurations to reflect the high-quality survey by Westlake Consultants and bring all sensors into a unified mapping reference frame; see System Geometry for more details of the Westlake survey…

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  • 2022 Healy EM122 QAT Report

    Cruise ID: HLY22TA Multibeam System: EM122 Dates: May 21-23, 2022 USCGC Healy underwent pre-season Quality Assurance Testing to evaluate performance of the multibeam mapping system using existing calibration and accuracy test sites off Washington. Attached Documents Report: Related Information Cruise Data at R2R

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  • 2022 Kilo Moana EM122/EM710 QAT Report

    Vessel ID: R/V Kilo MoanaMultibeam System: EM122/EM710Dates: May 22, 2022 Attached Documents Report: Related Information

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  • 2021 Kilo Moana QAT – EM122 and EM710

    Cruise ID: KM2104B Multibeam System: EM122/EM710Dates: May 14-15, 2021 The University of Hawaii’s UNOLS vessel R/V Kilo Moana (KM) is equipped with Kongsberg Maritime EM122 and EM710 multibeam echosounders and an Applanix POS MV-320 v5 Ocean Master positioning / attitude system. The Multibeam Advisory Committee (MAC) was asked to assist with Quality Assurance Testing (QAT)…

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  • 2021 Healy QAT

    Cruise ID: HLY21 TA Multibeam System: EM122 Dates: May 28-30, 2021 Attached Documents Report: Appendix: Related Information

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  • 2015 Kilo Moana Acoustic Test Report

    Vessel: R/V Kilo Moana Multibeam System: EM122 Dates: August, 2015 Attached Documents Report: Related Information

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  • 2012 Kilo Moana Acoustic Test Report

    Vessel: R/V Kilo Moana Multibeam System: EM122 Dates: 2012 KILO MOANA’s acoustic signature was higher than previous acoustical data due to electronic noise interference. The levels in the EM 122 sonar operational frequency of 12 kHz were also higher than historic data. A significant problem was noted with numerous elements of the EM 122 sonar…

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  • 2012 Melville Acoustic Test Report

    Vessel: R/V Melville Multibeam System: EM122 Dates: January 2012 R/V MELVILLE acoustic signature was successfully measured during this acoustic test. The levels of the EM 122 were controlled by a combination of propeller and anti-roll tank transients. Attached Documents Report: Related Information Vessel Data at R2R

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  • 2011 Atlantis Acoustic Test Report

    Vessel ID: R/V Atlantis Multibeam System: EM122 Dates: June 2011 The R/V Atlantis replaced its EM122 multibeam echosounder with an EM124 upgrade during the 2020-21 The acoustic signature of R/V ATLANTIS was successfully measured during this acoustic test. The levels of the EM 122 were controlled by a combination of flow noise and gondola cavitation.…

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  • 2010 Kilo Moana Acoustic Test Report

    Vessel: R/V Kilo Moana Multibeam System: EM122Dates: September 2010 KILO MOANA’s acoustic signature was comparable to previous acoustical data with one noted exception. The levels in the EM 122 sonar operational frequency of 12 kHz were similar to historic data. A new problem was discovered that was associated with engine and switching room air handler…

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  • 2011 Marcus G. Langseth Acoustic Test Report

    Cruise ID: R/V Marcus G. Langseth Multibeam System: EM122 Dates: February 04-07, 2011 The R/V Atlantis replaced its EM122 multibeam echosounder with an EM124 upgrade during the 2020-21 R/V MARCUS G. LANGSETH’s acoustic signature was successfully measured during this acoustic test. The levels of the EM 122 were controlled by propeller cavitation. The quietest vessel…

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  • 2020 Kilo Moana EM122/EM710 QAT

    Cruise ID: KM2008B Multibeam System: EM122/EM710 Dates: July 28, 2020 Attached Documents Report: Related Information

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  • 2020 Neil Armstrong EM122 and EM710 Calibration

    Cruise ID: AR42-02 Multibeam System: EM122/EM710 Dates: February 26-27 2020  1. Calibrations (‘patch tests’) were planned for the EM122 and EM710 multibeam echosounders on R/V Neil Armstrong during AR42-02 following the winter 2019-20 maintenance period. Calibration sites were developed opportunistically along a transit route in the vicinity of the western Florida escarpment.2. The EM710 was most recently…

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  • 2020 Healy EM122 QAT Report

    Cruise ID: HLY20TC Multibeam System: EM122 Dates: July 13-19, 2020 Attached Documents Report: Related Information

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  • 2019 Atlantis Seapath Test

    Cruise ID: AT42-10 Multibeam System: EM122/Seapath Dates: May 5-9, 2019 R/V Atlantis EM122 multibeam data includes intermittent depth artifacts across the swath that do not appear to be correlated with roll, pitch, sound speed, latency, or other sensor integration errors. These were first brought to the attention of the Multibeam Advisory Committee (MAC) in late…

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  • 2017 Healy Quality Assessment Report

    Cruise ID: HLY17TA Multibeam System: EM122 Dates: May 16-20, 2017 The USCGC Healy is equipped with a Kongsberg MaritimeEM122(12kHz)deepwater multibeam echosounder utilizing both a Seapath 330+ (primary) and Applanix POS/MV(secondary) positioning and attitude reference systems. This report describes the procedures and results from a review of system geometry, geometric calibrations(‘patch tests’),vessel noise testing, swath accuracy…

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  • 2017 Kilo Moana Quality Assessment Visit

    Cruise ID: KM1711 Multibeam System: EM122 Dates: July 24-26, 2017 During the late fall of 2016 and spring of 2017 the University of Hawaii’s Ocean Technology Group (OTG) submitted bathymetric data, screen shots (Figure 1), and built in self-test (BIST) data to the Multibeam Advisory Committee (MAC) and to Gates Acoustic documenting pervasive noise which…

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  • 2016 Neil Armstrong Sea Acceptance Trails

    Cruise ID: AR03-01 Multibeam System: EM122/EM710 Dates: February 10-17, 2016  The R/V Neil Armstrong is a new vessel operated by Woods Hole Oceanographic Institute (WHOI)equipped with Kongsberg Maritime (KM) EM122 (12 kHz) and EM710 (70-100 kHz) multibeamechosounders. The hardware installation, calibration, software configuration, and performance of thesesystems were evaluated during a sea acceptance trial involving WHOI, KM,…

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  • 2016 Sally Ride System Review

    Cruise ID: SR1601 Multibeam System: EM122/EM712 Dates: July 25-28, 2016 The R/V Sally Ride is equipped with a Kongsberg Maritime EM122 (12 kHz) and EM712 (40-100 kHz)multibeam echosounders both utilizing a Seapath 330+ (primary) and iXBlue HYDRINS (secondary)positioning and attitude reference system. This report describes the procedures and results from areview of system geometry, geometric…

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  • 2015 Nathaniel B. Palmer Sea Acceptance Report

    Cruise ID: NBP1505 Multibeam System: EM122 Dates: June 10-15 2015 The research vessel icebreaker (RVIB) Nathaniel B. Palmer (NBP) undertook cruise NBP1505 in the vicinity of the continental shelf break between Talcahuano and Puerto Montt, Chile, from June 10-15, 2015 (Fig. 1) in order to assess performance of the vessel’s 12-kHz multibeam echosounder (MBES). The…

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  • 2015 Kilo Moana EM122 MBES Review

    Cruise ID: KM1514 Multibeam System: EM122 Dates: August 9-13, 2015 The R/V Kilo Moana undertook an engineering shakedown leg (KM1514) in order to assess acoustic noise issues documented during the KM1505 Quality Assessment Visit (QAT) conducted by the Multibeam Advisory Committee (MAC) in April, 2015 and documented in that report (see R/V Kilo Moana, EM122…

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  • 2014 Nathaniel B. Palmer Sea Acceptance Report

    Cruise ID: NBP1405 Multibeam System: EM122 Dates: June 14-19, 2014 The Kongsberg Maritime (KM) EM120 multibeam echosounder (MBES) aboard the RVIB Nathaniel B. Palmer (NBP), installed in 2002, recently received two upgrades through the installation of a KM Seapath 330 position and attitude sensor (November, 2013) and replacement of the original EM120 transceiver with an…

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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). An at-sea investigation was accomplished during ship operations in deep water out of Nome, Alaska on August 13-24, 2014. During the…

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  • 2013 Roger Revelle Quality Assurance Report

    Cruise ID: RR1301 Multibeam System: EM124/Seapath 380 Dates: January 21-23, 2013 The accuracy (repeatability, strictly speaking) analysis indicates that the system is performing within expected levels. The EM122 appears to be configured correctly and adequately calibrated. A full patch test calibration was conducted with the offsets being applied in SIS; follow up confirmation calibrations indicate…

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  • 2012 Kilo Moana Sea Acceptance Report

    Cruise ID: KM1212 Multibeam System: EM122/EM710 Dates: June 21-24, 2012 The EM122 and EM710 systems both appear to be configured correctly and, for the most part, adequately calibrated. Small MRU roll alignment residuals do exist and it is recommended that these be confirmed as soon as possible through acquisition of a pair of reciprocal survey…

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  • 2012 Kilo Moana Quality Assurance Report

    Cruise ID: KM1204 Multibeam System: EM122/EM710 Dates: March 13-22, 2012 The point of the QAT visit was to help the host institution in developing protocols and practices that are conducive to the acquisition of high quality multibeam data. Even with a finely tuned and calibrated survey system, it is still possible to collect poor quality…

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