Recent years, there are many survey and mapping tools producers. One of survey and mapping tool is GNSS ComNav T300. It is one of the highest tool be used in Indonesia. The affordable prices and the capability of this product makes GNSS ComNav T300 more in demand of surveyors in Indonesia. The quality of this product had already tested in Institut Teknologi Bandung (Bandung Institute of Technology), and the result is good.  

Steps for downloading GNSS ComNav T300 Data is available here (ebook version)