Vessel InformationTypeResearch VesselOperatorLamont-Doherty Earth ObservatoryFlagUSAMMSI367059880Sonar System InformationKongsberg EM122(12 kHz, 150° swath, 1x1° beams)Related LinksCruise CatalogR2R Quality Assessment Technical Reports 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 surveyRead More 2012 Langseth Quality Assurance Report Cruise ID: MGL1214 Multibeam System: EM122 Dates: August 01, 2012 Patch Test ResultsLatency Test– No change neededRoll Test– Applied additional offset of -0.065– Resulting Roll Offset -0.575Pitch Test– No change neededHeading Test– Applied offset of -0.2– Resulting Heading&Offset:&L0.2& Attached Documents Report: Pre-Cruise Analysis: Related Information Cruise Data at R2RRead More 2011 Marcus G.