Author Topic: Bathymetry Helix 5 Sonar G2  (Read 188 times)

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Offline J.Hellevoort

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Bathymetry Helix 5 Sonar G2
« on: March 19, 2020, 12:38:46 PM »
Hello,

I am a student in the Netherlands studying hydrography and currently I am doing research to cheap solutions for gaining bathymetric information of shallow waters. For this research one of my solutions is a fishfinder. Is it possible to connect a externe GPS receiver to the fishfinder and to output real-time NMEA messages including depth with corresponding position to a pc through a comport (not usb because of latency problems)? Something like this scheme.

If this couldn't be done I would really appreciate alternative ideas.

Thanks!

Jort


Offline rnvinc

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Re: Bathymetry Helix 5 Sonar G2
« Reply #1 on: March 19, 2020, 10:33:12 PM »
This may help with part of your query  ...

https://www.humminbird.com/support/faqs/HELIX_EXT_GPS

Rickie

Offline J.Hellevoort

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Re: Bathymetry Helix 5 Sonar G2
« Reply #2 on: March 20, 2020, 08:16:23 AM »
Yes it helps for connecting the gps to the fishfinder. But after that, how can I connect the fishfinder to a pc? It is possible, according to the manual to switch on NMEA output, so the fish finder outputs NMEA messages.

Offline rnvinc

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Re: Bathymetry Helix 5 Sonar G2
« Reply #3 on: March 21, 2020, 09:48:27 AM »
See if this helps  ... (I have no experience with NMEA)  ...

https://www.humminbird.com/support/faqs/how-do-i-output-digital-depth-information

Rickie
« Last Edit: March 21, 2020, 09:49:47 AM by rnvinc »

Offline J.Hellevoort

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Re: Bathymetry Helix 5 Sonar G2
« Reply #4 on: March 25, 2020, 08:34:08 AM »
Like that you can connect the fishfinder to the pc and output depth to the pc. But it uses a USB port and not a COM port. A USB port introduces to much latency for my project. So that's not an option.

Offline rnvinc

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Re: Bathymetry Helix 5 Sonar G2
« Reply #5 on: March 25, 2020, 11:35:51 PM »
Here is some contact info  ...

https://www.johnsonoutdoors.com/locations?id=127

Rickie

Offline abraquelebout

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Re: Bathymetry Helix 5 Sonar G2
« Reply #6 on: March 28, 2020, 05:52:35 AM »
hi
you can connect lot of thing talking in nmea using a "multiplexeur", it collect nmea sentences, sounder, gps and put them on rs232 db9 connect (it's old) or usb (recent)
reefmaster can make a bathymetry using Humminbird or other system
i join a pdf (in french)
good luck, it's possible to do it, i go on my stock of lot of thing to search, i think i get an old model on a case (sounder, gps, multiplexer, rs232 connect for PC)


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