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Old 01-06-2017, 07:13   #1
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GPS - Windows 10

I have been using the program GnssDatainterface to activate the built-in GPS in my Lenovo Thinkpad T440 (Sierra Wireless GNSS sensor Em7345). This program claims to be able to output to virtual COM-ports, but these are not picked up by OpenCPN.
But using the program GeolocationTCP-r6, that will pick up the GPS-signal and send it on a IP-address, which OpenCPN can use.

But lately, the Geolocation-program do not seem to be able to run stable under Windows 10 (latest update, Creator), even using compatability settings for Windows 7.

Any suggestions to alternative solutions to get the GPS-signal to OpenCPN (ver 4.6.1) ?
/Hans-Henrik
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Old 23-06-2017, 06:38   #2
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Re: GPS - Windows 10

Perhaps this might help you...
https://forums.lenovo.com/t5/ThinkPa...5/td-p/2046489

I have not tried it myself, but it seems that "you can make it work with any NMEA-compatible GPS software for Windows"...

Use with care!

Leon
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Old 15-10-2017, 08:26   #3
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Re: GPS - Windows 10

I too have tried GeolocationTCP-r6 and it posted my position properly on OpenCPN but the catch is that WiFi and cellular transmission have to be disabled. Petr the creator of this software does say it in his web page.

I also tried Centrafuse Localizer without much success.

Another experiment was with GnssDataInterface. It receives satellite signals but the NMEA sentences are not able to get to OpenCPN which, I think, wants a 4800 Baud rate. Unfortunately GnssDataInterface lowest Baud rate is 9600. I am not sure this is the problem as I tried other Baud rates, matched on both applications, but had no success at making it work.

I am using OpenCPN 4.8.0 on a BAK Seal tablet which has a Broadcom 47531 GNSS sensor.

It looks like a lot of Windows 10 tablets with internal GNSS sensors cannot get the position location through to OpenCPN, perhaps because of the implementation of APIs?

Perhaps the developers of OpenCPN, which by the way is a wonderful program, could perhaps find a fix for getting the data from the GNSS sensors.

If anyone has been successful at making a GNSS sensor on Windows 10 work, I'd be very interested hearing about it.
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Old 15-10-2017, 08:41   #4
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Re: GPS - Windows 10

I use the Geolocation tcp, https://bitbucket.org/petrsimon/geolocationtcp, together with the GNSS datainterface. With that you get a TCP-connection to OpenCPN - works lovely here
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Old 15-10-2017, 09:41   #5
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Re: GPS - Windows 10

Hi hhmcsv,

Is GeolocationTCP-r6 working properly for you with updates every second or so having WiFi and cellular transmissions enabled?
If yes, what are the parameters settings?
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Old 15-10-2017, 10:37   #6
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Re: GPS - Windows 10

https://opencpn.org/wiki/dokuwiki/do...n8_gnss_sensor
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Old 15-10-2017, 23:24   #7
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Re: GPS - Windows 10

Hi rgleason,

Thank you for sharing this link. I tried understanding how to set up GPS Complete but I get completely lost in its functions and parameters. I am not familiar with this kind of computer intricacies.
Do you know how to set it up so I can get the Broadcom 47531 GNSS sensor through GPS complete and into openCPN in NMEA format on COM1 at 4800 Bauds?
It would be great if you could help me with this.

Thank you.
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Old 16-10-2017, 11:52   #8
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Re: GPS - Windows 10

Where are your GPS drivers? Find them. Post link here.
Where is the manf. website and the Manual for the device? Find it. Post link here.

Have you read this? https://opencpn.org/wiki/dokuwiki/do...rted:gps_setup

Have you read about and installed your GPS drivers? Tell us precisely what you have done and tried. Blow by blow.
We cannot help you without that information.

1. Install any drivers needed.
2. Check with Device Manager to see if they have installed under USB ports
3. Try to verify the GPS is working with GPSinfo.exe or other program, using a com port. Learn what the com port number is.
4. Close that helper program as it "captures" the port exclusively.
5. Start Opencpn and set up Opencpn to receive that Com Port.
6. Check that the com port / GPS is working with the Nmea Debug Window under Connections (under Settings).
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Old 17-10-2017, 10:16   #9
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Re: GPS - Windows 10

Jeanpier can you get us a copy of your log file. SEE ? for help on that.
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Old 17-10-2017, 11:32   #10
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Re: GPS - Windows 10

Sorry but the forum doesn't let me attach the files as they are too large.
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Old 17-10-2017, 19:37   #11
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Re: GPS - Windows 10

This is an old sensor, older than the one on the website
https://www.broadcom.com/products/wi...m4752#overview which indicates it is not to be used for new products.

Other people's experience counts.
GPS sensor Broadcom GNSS Geolocation - Windows Mobile Products - Mobile Devices - Dell Community

https://gis.stackexchange.com/questi...ws-8-with-qgis

http://forum.gpsgate.com/viewtopic.php?t=15652

Drivers
Broadcom GNSS Geolocation Sensor Drivers Download for Windows 10, 8.1, 7, Vista, XP

In the menu at the top, find the "?" Read about finding the Log file.
Also read about it here Getting Started

Also read the manual about installing GPS

Go to Setttings > Connections and highlight the COM Port that you have setup for your GPS Modem. Take a screenshot and post it here. If this has not been done, you must find out what COM port the GPS is on and select that.

To check if your GPS is actually showing up go to your Windows Device Manager under USB and look for references to Broadcom GPS. If it is there try to determine the port being used.. Take a screenshot of that.

If the Broadcom GPS does not appear in the USB area, the drivers may not be installed or the device did not load properly.

Please look in your log file to see if you find reference to Loading GPS at a COM port.
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Old 17-10-2017, 19:52   #12
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Re: GPS - Windows 10

If you cannot get this going reasonably easily, I would suggest getting a new gps PUCK that is compatible with your OS. It will be much easier on a daily basis.

I had to and decided to get a BU-353-S4 which was compatible with Win10, because my old puck is not, but I could hack the driver to get it to work. So I setup that old puck to be used with my VHF/DSC as a permanent safety improvement providing location in distress.
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Old 18-10-2017, 10:57   #13
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Re: GPS - Windows 10

Hi rgleason,

Thank you very much for all your suggestions and recommendations. I'll wade through this computerize stuff and try to get the Broadcom GNSS to work with openCPN. If I manage to make it work I'll post my settings here.
I do have a BU-353 S4 with the Prolific driver and it works fine on this Seal Windows 10 tablet running openCPN.
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Old 25-11-2017, 03:11   #14
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Re: GPS - Windows 10

I have a laptop with Windows 10 running and Broadcom GNSS sensor working
I have read through previous posts to try to make it work with OpenCPN.
So far no luck.
I have tried:
GeolocationTCP-r9 and installed network TCP as per instructions
onto OpenCPN (4.8). Turned off wifi. GeolocationTCP-r9 find satellite and I have a fix.
Not found by OpenCPN

com0com-3.0.0.0-i386 to install virtual ports.
GnssDataInterface finds ports and fix.
Have added serial connection on Com3 to OpenCPN. Tried diffrent baud rates.
Not found by OpenCPN

ReverseGPS and virtual com port installed.
GnssDataInterface finds ports and fix
Have added serial connection on Com3 to OpenCPN. Tried diffrent baud rates.
Not found by OpenCPN

Is there any way to get OpenCPN to work with this Broadcom sensor?
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Old 25-11-2017, 03:25   #15
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Re: GPS - Windows 10

Perhaps you ask hhmcsv ? He wrote it works lovely:
GPS - Windows 10

Gerhard
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