[PSUBS-MAILIST] Underwater GPS using Underwater Backscatter Localization

[Alan via Personal_Submersibles]

Thanks Ian,
there is this Blue Robotics Sonar imaging scanner that has open source software.
https://bluerobotics.com/store/sensors-sonars-cameras/sonar/ping360-sonar-r1-rp/
Alan

> On 9/11/2020, at 8:36 AM, irox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> MIT has published a paper on underwater positioning using Underwater Backscatter Localization which
> might be of interest to some folks on the list.
> 
> Although it seems more focused on positioning of un-powered or under-powered objects (fish, drones, etc
> - surface vessel knowing the position of an underwater object), and it's only a proof-of-concept
>  (the paper on covers 1D positioning, we'd really need 3D), it does offer some hope for a relatively cheap
> underwater positioning system in the future.
> 
> The paper can be found here:
> http://www.mit.edu/~fadel/papers/UBL-paper.pdf
> 
> There is a kind of layman's summary here:
> https://hackaday.com/2020/11/08/under-the-sea-gps-uses-sound/
> 
> Pity there isn't a a cheap sonar "hackers" kits (although some have do things with PC sound cards).
> On the radio side of things I can take a USB SDR (Software Defined Radio) and build a radio telescope
> for well under $100 (actually, I think it was under $50 in the end), would be great to be able to have
> that flexibility for playing with sonar.
> 
> Cheers,
>   Ian.
> 
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20201109/1c722346/attachment.html>