A SkyCaddie is the #1 range finder in Golf. Only SkyCaddie mappers walk every course using sub-meter, survey grade equipment to record critical distances to hazards, layups and green targets for the most complete and reliable distance information available to amateurs. A Tour Caddie would never trust distances derived from aerial images or flyover and neither should you.
Average. This is a brand that is trying to compete with the big name brands but can't compare quality wise. They work and are reliable, but can't compare to the big name brands.
The navman is an introductory level gps system. It's compact size makes it easier to carry but without sacrificing features. It is a great starter device.
There are several ways to compare GPS systems online it depends where you have looked. Amazon is a great site to go compare GPS systems and any other things you need to compare.
The eTrex� GPS system is unfortunately discontinued, but was produced by Garmin. As it compares to other GPS services produced by Garmin, the company has made vast improvements in its technology in the past several years, so it would be safe to assume that their latest models of GPS systems would perform to an even higher ability. You could find more about the discontinued product here: https://buy.garmin.com/shop/shop.do?pID=6403&ra=true
You can view GPS videos to compare different GPS devices and different GPS brands on youtube.com. Just enter the different brands and devices that you would like to compare.
It depends on your service provider. If it provides global services then it will surely work. Golflogix and Garmin are best GPS providers for golf. Also you don't have to pay additional charge or fee. Check with your service provider if they provide maps and at what cost.
Most golf GPS systems can pick up the full size of a golf course. There ar golf GPS systems that have the ability to automatically pick up any golf course that you are on as well as keep track of your score and calculate how far a golf ball will go when hit.
Lowrance GPS antenna is the most desired brand of GPS antenna. They are reliable, and excellent when compared to other brands, and cost the same as the lower quality brands.
I do not think that a gps caddie can help improve golf scores. Only practice can help you with your golf performance. A gps can only allow you to see where you should aim your ball.
Raymarine GPS devices are high-end, and typically high-quality. Reviews can be found in several places online, and are often favorable. An important consideration to make when purchasing a new device is the ideal price point. http://www.retrevo.com/samples/Raymarine-GPS.html
The Garmin Nuvi 660 GPS is a GPS that is very highly recommended in comparison to other GPS systems. It offers cutting edge satellite technology, and has a very high location accuracy rate as opposed to other GPS systems currently present on the market.
You can check the website of best buy where you can select different models of Garmin GPS and compare the features available with in those models along with their prices.