[PSUBS-MAILIST] 3D dive recording, kickstarter

[Øystein Skarholm via Personal_Submersibles]

Looking forward to find out more about the cost for that system. 3K meter
and omnidirectional.....sounds pretty expensive.

fre. 17. jan. 2020 kl. 09:55 skrev Alan via Personal_Submersibles <
personal_submersibles at psubs.org>:

> Hello Oystein,
> I have sent a price enquiry for the modem & transducer.
> I had seen somewhere an indicative price of around $1000 for the modem.
> These modems transmit on several band widths simultaneously to gain more
> Reliability & have a range of 3k.
> I have seen the blue robotics product. They are very helpful & would
> probably
> Taylor anything to your needs.
> Alan
>
> On 17/01/2020, at 8:38 PM, Øystein Skarholm via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Du you know the price of these units ?
> This underwater GPS unit from Blue Robotics is also an affordable
> solution. It should be possible to tweek the system into reverse, so that
> the position signal can be sent down to the sub acoustically.
>
>
> https://bluerobotics.com/product-category/sensors-sonars-cameras/underwater-gps/
>
> fre. 17. jan. 2020 kl. 00:25 skrev Alan via Personal_Submersibles <
> personal_submersibles at psubs.org>:
>
>> Thanks for the insight into their product James.
>> One of the problems is getting the GPS signal down to the sub, &
>> I have been looking at this company .....
>>
>> https://dspcommgen2.com/aquatrans-underwater-acoustic-dunking-hydrophone-transducer/
>> for data transfer transducers & modems.
>> They are reasonably inexpensive & are based in Bangkok.
>> BTW you seem to know your stuff, are you involved professionally in that
>> area
>> or is it just an interest?
>> Regards Alan
>>
>>
>>
>> On 16/01/2020, at 8:54 PM, J. Foulkes via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>   Hello everyone,
>>
>> OEngineering was at CES this year with this product and I had several
>> lengthy discussions with them about their system.  So, first I would like
>> to point out that the real focus of this system is for citizen science
>> applications (inexpensive) not for extended dive precision mapping.  If
>> this is your application, you would be much better served using a control
>> laptop with external IMU and GNSS devices as the IMU on this product
>> doesn't have the best freerunning accuracy.  Secondly, it seemed that what
>> they were really pushing as the technology you are paying for is the app
>> interface.  It was unclear from talking with them what interface would be
>> available (API) for downloading raw data on points of interest  and
>> continuous tracking outside of this interface.  Also, one thing to note is
>> that if you were using this in your sub for datalogging (it requires manual
>> button pressing for POI logging) you would need a GNSS repeater with a
>> bulkhead pass through.
>>
>> Regards,
>> James Foulkes
>>
>> On Wed, Jan 15, 2020 at 11:22 PM T Novak via Personal_Submersibles <
>> personal_submersibles at psubs.org> wrote:
>>
>>> This does look interesting, Brian.
>>>
>>> Worth thinking about.
>>>
>>> Tim
>>>
>>>
>>>
>>> *From:* Personal_Submersibles [mailto:
>>> personal_submersibles-bounces at psubs.org] *On Behalf Of *Alan via
>>> Personal_Submersibles
>>> *Sent:* Wednesday, January 15, 2020 4:38 PM
>>> *To:* Personal Submersibles General Discussion <
>>> personal_submersibles at psubs.org>
>>> *Subject:* Re: [PSUBS-MAILIST] 3D dive recording, kickstarter
>>>
>>>
>>>
>>> Looks useful Brian.
>>>
>>> Some sort of mapping is definitely useful.
>>>
>>> I have just been looking at GPS receivers to see how they can be water /
>>> pressure
>>>
>>> proofed. I think a GPS system would be the bare minimum.
>>>
>>> If you found a treasure chest you could at least head straight to the
>>> surface
>>>
>>> & get a GPS coordinate.
>>>
>>> Alan
>>>
>>>
>>> On 16/01/2020, at 11:26 AM, Brian Hughes via Personal_Submersibles <
>>> personal_submersibles at psubs.org> wrote:
>>>
>>> OK,
>>>
>>>
>>>
>>> This looks interesting:
>>>
>>>
>>>
>>>
>>> https://newatlas.com/outdoors/brizo-3d-scuba-dive-maps/?fbclid=IwAR0bwSGSy8zlABzonbS9PO4M-hyca94ADtn57E7YlccucUaqQGz3WNFqYBQ
>>>
>>>
>>>
>>> Brian
>>>
>>>
>>>
>>> Get Outlook for Android <https://aka.ms/ghei36>
>>>
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>
>
> --
> Vennlig hilsen
> Øystein Skarholm
> 91369599
>
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-- 
Vennlig hilsen
Øystein Skarholm
91369599
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