Navigate Safely With GPS Enabled PDAs

Many Portable Digital Assistants (PDAs) now have been enabled with the Global Positioning System (GPS).  This is a global navigation satellite system (GNSS) established and managed by the United States Department of Defense of the United States Air Force 50th Space Wing. GPS can be used freely by any civilians anywhere. Enabling PDAs with GPS receivers will allow it to determine its current location by transmitting precise radio signals to a constellation of 24 to 32 medium earth orbit satellites. GNSS became fully operational in 1995. Its application for navigational purposes has spread globally whether land, air or sea. It is a useful tool for tracking, surveillance, map-making, land surveying, scientific use and commerce. In the late 1990s, the first GPS enabled handsets were launched.

A number of mobile phone manufacturers have incorporated GPS into their phones. GPS enabled PDAs are used extensively in navigation and sports to calculate speed, time and distance. Customized directions and maps, tracking of movement, planning of trips, and detailing of journey could be carried out quickly and precisely. The Route Planner application of Palmtop Software can provide detailed route maps and travel plan. All you need to do is to indicate the starting and destination point or you can even point and click in the map to define the route you choose. PDAs began to be used for realtime automobile navigation. They were fitted on to new cars. They displayed road conditions, traffic conditions, roadside mobile radar guns and dynamic routing.

The PDA market has remained robust with newer models adding features and newer technologies as the touchscreen and GPS. Some of the well-liked PDA models are the PalmOne M515, Palm Z22, Palm TX, HP iPAQ 111 Classic Handheld, 535e Pharos Traveler, Palm Tungsten E2 Handheld, Palm TX Handheld and Nokia N810 Portable Internet Tablet.

There are many spheres of human activities where PDAs can be effectively applied. This includes health care where it is used for assisting in the recording symptoms and in diagnosis of diseases. It also indicates the line of treatment and suggests the drugs that could be useful in the treatment. It is useful in many areas of in the field of education. PDAs can be used for digital note taking, word processing, dictionaries, storage of e-books and their use, spell-check and digital planning besides many others.

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