Multibeam Survey Errors: COG vs Heading Explained

Are you seeing 'jumbled' multibeam data? Often, the culprit is a mismatch between your vessel's Heading and Course Over Ground (COG). In this video, we break down why this happens and how to plan your survey lines to prevent it. Timestamp: 0:00 Introduction to COG 0:37 Visualization of Drift 1:39 Data Analysis 2:18 Survey Impact 4:11 Best Practices 4:46 Conclusion & Preview Want to dive deeper into subsea positioning? If you found this helpful, check out my full-length technical guides on LBL positioning and complex offshore workflows—available for members here:    / @offshoresurveys   🎯 Whether you're a hydrographer, marine navigator, or sonar technician, this tutorial will help you avoid common mistakes and improve your bathymetric results. 👍 Like, share, and subscribe to support more clear, reliable, and field-tested content. #COGvsHeading #MultibeamSurvey #Hydrography #SonarCalibration #MarineNavigation #HeadingMasterclass #Bathymetry #SurveyPlanning #EchoSounder #SeaState Buy me a coffee if you learned something new today https://buymeacoffee.com/jaom Join this channel to get access to exclusive offshore survey videos:    / @offshoresurveys