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Civilian applications of GPS – Recreation

The many commercial uses of GPS.

The many commercial uses of GPS.


The Global Positioning System has eliminated many of the hazards associated with common recreational activities by providing a capability to determine a precise location. GPS receivers have also broadened the scope and enjoyment of outdoor activities by simplifying many of the traditional problems, such as staying on the "correct trail" or returning to the best fishing spot.

Outdoor exploration carries with it many intrinsic dangers, one of the most important of which is the potential for getting lost in unfamiliar or unsafe territory. Hikers, bicyclists, and outdoor adventurers are increasingly relying on GPS instead of traditional paper maps, compasses, or landmarks. Paper maps are often outdated, and compasses and landmarks may not provide the precise location information necessary to avoid venturing into unfamiliar areas. In addition, darkness and adverse weather conditions may also contribute to imprecise navigation results.

GPS technology coupled with electronic mapping has helped to overcome much of the traditional hardships associated with unbounded exploration. GPS handsets allow users to safely traverse trails with the confidence of knowing precisely where they are at all times, as well as how to return to their starting point. One of the benefits is the ability to record and return to waypoints. Similarly, fishermen typically use GPS signals as a means to continually stay apprised of location, heading, bearing, speed, distance-to-go, time-to-go, chart plotting functions, and most importantly, returning to a location where the fish are plentiful.

An advantage in newer GPS receivers is the capability to transfer data to and from a computer. Outdoor enthusiasts can download waypoints from an exciting adventure and share them. An example of this is a web site based in Malaysia dedicated to GPS for mountain biking enthusiasts. Riders post waypoint files marking their favorite rides allowing other riders to try out the trails.

Golfers use GPS to measure precise distances within the course and improve their game. Other applications include skiing, as well as recreational aviation and boating.

"GPS has speeded up play on the golf course. For those in the rough, it tells them how far away they are from the trap rather than the sprinkler heads and they don't have to agonize as much over club selection if they know exactly how far they have to go," said Bernie Friedrich, Vice President Golf Operations, Boyne, USA. "The unfortunate part is that it tells you the brutal truth of exactly how far you hit your driver. Most people think they hit it 20 or 30 yards farther than they actually do, but GPS doesn't lie."

GPS technology has generated entirely new sports and outdoor activities. An example of this is geocaching, a sport which rolls a pleasurable day's outing and a treasure hunt into one. Another new sport is geodashing, a cross-country race to a predefined GPS coordinate.

GPS modernization efforts, designed to enhance more serious applications than recreation have provided direct and indirect benefits to the user. Various GPS augmentation systems that were developed in several countries for commerce and transportation are also being widely used by outdoor enthusiasts for recreational purposes. Modernization plans for GPS will result in even greater reliability and availability for all users, such as under a denser forest cover -- just the environment in which many adventurers most need this capability.

Benefits

 - Highly accurate all-weather positioning information using GPS receivers helps outdoor adventurers with safer exploration anywhere in the world.
 - Ability to return to favorite fishing spots, trails, campsites or other locations with precision year after year, despite changing terrain conditions.
 - New and interesting activities (based solely on the capabilities of GPS) are developed every day by outdoor enthusiasts and shared with others.
 - Relatively small, portable, and affordable handsets can be used for multiple types of recreation activities.

Operated by Air Force Space Command's 50th Space Wing at Schriever Air Force Base, located east of Colorado Springs, Colo., the GPS constellation provides precise positioning, navigation and timing services worldwide as a free service provided by the U.S. Air Force, seven days a week, 24 hours a day. The GPS constellation is healthy, stable and robust with 12 GPS IIRs, seven GPS IIR-Ms, and 12 GPS IIF satellites on orbit providing precise global positioning, navigation, and timing services to users around the globe.

The latest generation of GPS IIF satellites provides improved signals to support both the warfighter and the growing civilian needs of a global economy. Featuring a new third civil signal -- L5 -- that benefits commercial aviation and safety-of-life applications, the GPS IIF series provides improved accuracy through advanced atomic clocks, and a longer design life than previous GPS satellites on orbit.

The Space and Missile Systems Center, located at Los Angeles Air Force Base in El Segundo, Calif., is the Air Force's center of acquisition excellence for acquiring and developing military space systems. Its portfolio includes the Global Positioning System, military satellite communications, defense meteorological satellites, space launch and range systems, satellite control networks, space based infrared systems and space situational awareness capabilities.