2020 Okeanos Explorer EM304 SAT



  1. The Okeanos Explorer received a Kongsberg EM304 multibeam echosounder topside upgrade over the 2019-20 winter maintenance period. No changes were made to the TX or RX arrays (installed in 2007 and 2018, respectively) or the Applanix POS MV positioning and attitude system.
  2. Sea acceptance testing (SAT) was conducted during EX2000 (March 3-8, 2020) with Kongsberg, NOAA, and OMAO personnel on board to complete the following procedures:
    • Review EM304 and POS MV system geometry
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