Yesterday freegeographytools.com (a great resource if you're interested in mapping, GPS, and GIS applications - they offer a lot of insights and opinions on various free software) wrote the first article in a series on building an inexpensive GeoPad. They are defining a GeoPad as a small touchscreen computer, field ready, loaded with ...
Read the full article »

Do you have the discontinued Garmin GPS 35 TracPak GPS, and you need the manual? OverlandResource.com has a free copy available for download.
Read the full article »
Some people need to know whether a small handheld GPS unit is sufficient, or if they need a full blown laptop computer with a GPS. This article discusses the pros and cons of each.
Read the full article »
This article describes how to calibrate a scanned paper map into OziExplorer mapping and GPS software. Watch the video how-to and read the extra details that follow in the text.
Read the full article »
There are basically three options when it comes to digital mapping while on the road. From simplest to most complex they are a handheld GPS unit, permanent GPS in the vehicle, and GPS receiver connected to a laptop or in-dash PC. This article summarizes the three options to help you decide which system to purchase.
Read the full article »

Most older GPS units have 9-pin serial plugins to interface with computers. Newer models have USB connectors. In either case they require clumsy cables to be draped in your vehicle or across your desk. This article describes how to upgrade your GPS to a send wireless Bluetooth signals to your computer.
Read the full article »