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    The accuracy of the underwater gps is ~99% of the range according to the specifications. Is this range the distance of the locator from the topside? Or the distance of the locator from the receivers? I am planning on running this in a small tank (like the one shown in one of the demos on the BlueRobotics website here: and was wondering what accuracy to expect.


    Thanks for the interest in our products!

    The accuracy will be given by the distance from the Locator to the receivers. In a small tank like shown in the video acoustic environment has lots of reflections which affects the accuracy. I think you can expect an accuracy to be something like 5-10cm when properly configured. The best configuration in a small tank is spreading the receivers in an L shape in the corner of the tank and setting the search range slightly bigger than the tanks size.

    If you want to see how the Underwater GPS GUI works, please take a look at our demo site:

    More information about the Underwater GPS in our documentation site:

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