The GPS is easy to catch, and there are many GPS devices now support to the sport of sailing. The travelogue is still a GPS, if they have to rely on GPS technology to monitor and record where you download your journey by flying on-line mapping applications like Google Earth later. All locations are stored in real time thanks to its 64 MB of flash memory at intervals, you are pre-determined – they are from one second to 59 minutes, and has enough memory to store up to 260,000 points of intersection, including altitude, speed, time and distance. Tiny enough to fit in your hand, the travelogue GPS is compatible with Windows 7 operating system XP or Vista. One may require two hours to give enough juice for the whole day and then some. The travelogue GPS will retail for $ 149.95 from Hammacher.