The position is bouncing sometime

Recently, I have tested ROVL on a dam. And I found a bouncing problem.
Please refer to the attached picture.
Does anybody has a similar problem?

Hello Tony,

Can you tell us:

  • The display indicates the ROV depth is 0.2 meters. Is this correct and was it the case when the jumping occurred?

  • Does this happen when the ROV is next to a vertical dam wall?

Thank you,

I tested near surface as you said, not next to a vertical dam. I forgot the surface echo. It must be the reason of the jumping. I will test at deeper position next time.
Thank you very much. :grinning:

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