MotorTrend on MSN2d
Best GPS Units for Off-Road Navigation: Finding Your Way on the Trail
The best GPS units offer reliable navigation in even the most off-the-beaten-track areas, including topographical and ...
Hackaday9y
A Simple And Inexpensive GPS Navigation Device
There are plenty of GPS navigation units on the market today ... [middelbeek] then has to convert the GEOTIFF into an 8-bit BMP image file. The BMP images get stored on an SD card along with ...