During As-Trenched operations on a major subsea cable project in early January 2026, a routine comparison between two survey datasets revealed something that couldn’t be ignored: a lateral discrepancy of up to 2 metres in the Top of Pipe position between surveys . We did recently switch from TSS440 to […]
ALESSANDRO DEVIC
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When working with AUV-based multibeam surveys, one of the most common questions is how the Kongsberg HISAS 1030 compares to the EM2040 in terms of achievable bathymetric resolution. The answer depends heavily on AUV flying altitude. EM2040 at Low Altitude (8m) Flying at 8m altitude, the EM2040 achieves raw grid […]