you can use Samsung Omnia photo GPS Tagging funtion to display lattitude and longitute information. Samsung Omnia photo GPS tagging is easy to setup. Firstly go into the Camera option from the Omnia phone start menu, and make sure that you have a camera icon on the left-hand navigation bar (as opposed to a video camera icon). Then click on the cog and spanner icon on the left to enter settings. In that menu you will see an option for GPS – set this to “On” and return to …

GPS antenna can enhance GPS to receive satellite signal and increase the scope at the same time. For example, if you can not get the signal in the house. you can signal through the GPS antenna outside the house.
genereally, the sirf III GPS chip can receive signal without GPS antenna. However, there are some exceptional circumstances, such as bad weather conditions, buildings block. you can purchase GPS antenna as an back up. GPS antenna can also improve the signal strength.

Maybe you did not know you can play GPS games on your favorite GPS device. some famous GPS product, like Garmin Nuvi, they have games funtions. you can download classic numbers games-Sudoku and card game-Solitaire for free. many GPS fans like to play GPS treasure hunting and puzzle games (Rock Slide,Crumble).usually these games are not free. it will charge you $5, or even more, when you download and play it.

what is Differential GPS (DGPS)? Differential GPS, or DGPS, has been developed to improve GPS accuracy to within a few meters. DGPS was originally initiated by the U.S. Coast Guard to counter the accuracy degradation caused by Selective Availability. Even with S/A now eliminated, DGPS continues to be a key tool for highly precise navigation on land and sea. DGPS technology adds a land-based reference receiver – located at an accurately surveyed site – to the other GPS components. This non-moving DGPS reference station knows where the satellites are located …

How to update Garmin Mobile XT card gps software. you can update operating portion of the Garmin Mobile XT software via free downloads from the Garmin website. These updates include bug fixes, stability improvements, and even sometimes feature and interface changes.
Mobile XT can only be updated through a Windows PC. This can be done through the Mobile device, but Garmin recommends the use of a memory card reader.
To update Garmin Mobile XT:
1. Make sure that your XT card is in the device, or card reader
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How to use Google maps with Garmin gps device. As I know Garmin has partnered with Google to allow the transfer of addresses and POIs (Points of Interest) from Google Maps to the Garmin gps device.
when transfering POIs (Points of Interest),you will need:
* A computer and A compatible Garmin Product
* A USB cable
* Garmin Communicator Plugin
To transfer a point from Google Maps to your Garmin device:
1. Download and install the Garmin Communicator Plugin
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