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Two acoustic transponders (IXBLUE/Oceano MT832E-R and MT832E-HD-R) are available onboard RV Heincke. The transponders must mechanically be mechanically attached to underwater objects or vehicles. The transponders are synchronized to the GAPS and can be operated in transponder-mode (acoustic transmission and receiving) or in responder-mode (electric transmission and acoustic receiving; cables and plugs for responder-mode are not available on board). For transponder MT832E-R exists a winch cable mounting.
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