It depends on the quality of the brand you end up purchasing. Garmin is a great GPS to have for your car, camping, etc. They can be pricey but are worth the money in their durability and reliability. http://www.gpsinformation.org/dale/PocketPC/wince.htm
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The Pharos Pocket GPS Navigator has a very strong reception for use in many different areas. It also has bluetooth capability, and looks great, too.
They wouldn't have had to depend on the stars for navigation. If the sky were cloudy, they wouldn't have been able to use a sextant. GPS and accurate maps would help them avoid obstacles.
A Garmin portable friction mount is an accessory that attaches to one's dashboard in the car. It is for use with GPS navigators and available for online purchase.
Yes and by the 1800's they were pretty good maps.
how the navigators and sailors use compass to find direction
how the navigators and sailors use compass to find direction
A good use for a marine GPS Plotter would be if you took it fishing with you on your boat. It will help you keep track of your location and will ensure that you won't get lost.
Many phones have good GPS capabilities,but yes, the HTC HD7 does have GPS capabilities. In order to use the GPS capabilities you must have the app and a data plan.
A good GPS car navigator to buy would probably be a Tom Tom. They are said to be very good and have good quality. They are easy to use and they are quite cheap.
Any GPS would be good for geo caching. Now you can rent one from libraries just for geo caching so you don't have to pay for one. A lot of people use the GPS on their smartphones.
A GPS is very helpful for navigational and tracking uses. A GPS with you in your car can help you navigate new places quickly and with little anxiety. If your car happens to be stollen, you can use the GPS to track where it was taken to.