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What GPS devices are compatible with WxWorx software? How do I configure the software?

My Holux GM210 GPS device doesn’t seem to refresh correctly, or doesn’t lock onto the GPS satellites.

My DeLorme Earthmate GPS does not work with WxWorx software.

I get a "GPS error com X" message when I start my WxWorx software.


What GPS devices are compatible with WxWorx software? How do I configure the software?

WxWorx will accept any GPS that outputs NMEA-compliant or aviation standard data. This generally includes all handheld or panel mounted GPS units. The GPS must be visible to the computer as a COM port. Check with the GPS manufacturer for special cables, connections or setup options to enable this capability.

Once the GPS is properly configured and connected to the computer, launch the WxWorx application and go to the Setup->GPS Settings window. Enter the COM port number and baud rate for the GPS. Close the application and then re-launch it for the settings to take effect.

If you are unsure of the baud rate, launch HyperTerminal from Start->Programs->Accessories->Communications->HyperTerminal. Select the COM port that the GPS is connected to and choose the baud rate you expect the GPS to be transmitting. If no data appears or you cannot read the data, check the cables and settings on the GPS.

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My Holux GM210 GPS device doesn’t seem to refresh correctly, or doesn’t lock onto the GPS satellites.

There is a known problem with the GPS Viewer software. The small satellite map and position information window on the right side of the display does not refresh correctly. In order to force a refresh, drag another application window, such as a web browser or XmLink, over the right half of the GPS viewer, or open another application on top of it.

When working correctly, USB-based GPS devices will correctly lock onto satellites within 45 seconds from a cold start. There is one known issue with the Holux GPS. To test for it:

1) Open GPS Viewer, find the GPS and open the port.
2) Click on Cold Start.
3) Immediately close the connection to the GPS and then Reopen. This forces the cold start.
4) Cold Start is verified by the window on the right showing an incorrect date and all satellites disappearing.
5) The GPS will start looking for a satellite. Within about 15 seconds it should find a satellite and populate the window on the right with numbers running vertically from top to bottom.
6) At this point the problem noted above will start happening, and it won't update the information correctly. Use the procedure above to verify it locks onto satellites, should happen within 45 seconds with good sky view.
7) If it never locks on ONE satellite and continues cycling through satellite numbers in step 5 then there may be a hardware problem with your GPS unit.

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My DeLorme Earthmate GPS does not work with WxWorx software.

The DeLorme Earthmate does not initially install as a COM port. Check the DeLorme support page at www.DeLorme.com to confirm if you need a driver installed to allow third-party software to access the GPS. Once you have installed the appropriate drivers from the site, you then need to find your GPS in the Device Manager. It will be listed as an HID (Human Interface Device). Once located, you need to update the driver (right click on the device in the device manager). Select the advanced button in the wizard that comes up, and choose "Don't search. I will choose the driver to install". From the list that appears, select the COM port driver. This will install the DeLorme Earthmate GPS as a COM port. When you have completed this, look in the Ports section of the Device Manager, and you should see a DeLorme Earthmate GPS COM device (COMx). Enter this Com port # in the WxWorx software at 4800 baud and the GPS will be recognized.

NOTE: Since DeLorme has updated this driver, we have encountered an issue where the Earthmate GPS may go back to being an HID device once it has been disconnected and re-connected. In this event, you will need to repeat the steps above to reconfigure it as a COM port.

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I get a "GPS error com X" message when I start my WxWorx software.

This could mean one of several things:
A) No GPS unit is attached to the display device.

Ignore the statement and continue to load the WxWorx software. The message will disappear once a GPS device is connected. If you have no plans to attach a GPS device in the future, go to Settings->GPS settings and change the port to "0". This will stop the application from looking for a GPS device when initializing.

B) The GPS unit is not appearing as a COM port.

Check your Device Manager to ensure the GPS device is associated with a COM port. Go to Start->Control Panel, and double-click the System icon. The System Properties menu will appear. Click the Hardware tab, then Device Manager. Look for the COM and LPT ports, and click on the + symbol next to them. The GPS device should be on one of the listed COM ports. To verify its operation, launch HyperTerminal from Start->Programs->Accessories->Communications->HyperTerminal. Select the COM port that the GPS is connected to, and choose the baud rate you expect the GPS to be transmitting. If no data appears or you cannot read the data, check the cables and settings on the GPS device.

C) The GPS unit is not configured correctly in the Settings->GPS settings menu.

Go to the Settings->GPS settings menu and enter the COM port number and baud rate in the locations displayed in the pop-up window. Most handheld or USB-powered GPS units run at 4800 baud while most aviation panel-mounted GPS units output at 9600 baud. Bluetooth GPS units can be configured for several different settings, so check the GPS device manufacturer documentation. Once you have set this correctly, exit the window. A window will pop up telling you to restart the WxWorx application. Close the application and re-launch it. The error should not happen again and your GPS button should be blue.

D) A second GPS-enabled application is running.

A second application (e.g., GPS Viewer, HyperTerminal) is running and has control of the port that the GPS is connected to. Close the second application and restart the display software. If you are running two applications that both need GPS input, you will need a second GPS device. At present, only one application can access a GPS data source at any one time; however, there are some third-party software packages that allow a GPS to be shared between two applications.

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