GPS NMEA component C and.NET library reads and decodes standard GPS NMEA 183 sentences from the RS232 serial port; computes great circle distances and bearings.Runs as a background thread unattended. Works with C/C,Visual Studio,C Builder. With OpenStreetMap.org, you can export maps (for free) in XML OSM format.These maps are pretty handy - but if you want to load them onto your GPS, this free utility will allow you to easily convert the OSM files to IMG files which you can import.
Mio GPS navigation devices allow you to purchase, download and install new and up-to-date maps onto your device. After purchasing the activation key from the Mio Store website, you can unlock the map with the MioMore Desktop application. Mio GPS devices come with most of the tools you need to unlock maps on the device, so the only thing you need to supply is the computer to run the applications.
Step 1
Open the computer's web browser and navigate to the Mio Store website. Click the 'Maps' link, followed by the 'Unlock Additional Maps' link. Select your device from the 'Select a Device' window and click the map you wish to unlock. Provide your billing and payment information and download the activation key.
Step 2
Insert the MioMore Desktop DVD that came with the Mio GPS device into the DVD drive of the computer. Install the program onto the computer and remove the DVD from the DVD drive.
Step 3
Connect the Mio GPS device to the computer via the USB cable that came with it.
Step 4
Open the MioMore Desktop program. Click the 'My Maps' icon.
Step 5
Insert the map DVD that came with your GPS device into the computer's DVD drive.
Step 6
![Free mio map update Free mio map update](http://images.esellerpro.com/2295/I/865/1/Mio_M614LM_Icon2.jpg)
Click the map you purchased the activation key for in Step 1.
Step 7
Step 8
Click the map again after it has been activated. Select your Mio GPS device from the pop-up window and click the 'Transfer Now' button. Allow several seconds for the transfer to finish.