@ Imad Afridi

Worldwide geocaching is carried out by:

GPS

Source: The general population typically uses lightweight, handheld receivers or receivers that have been integrated into automobiles or boats. The general population uses GPS in many different ways. Surveyors use GPS to save time over standard survey methods. GPS is used in aircraft and ships for en route navigation and for airport or harbor approaches. GPS tracking systems are used to route and monitor delivery vans and emergency vehicles. In a method called precision farming, GPS is used to monitor and control the application of agricultural fertilizer and pesticides. GPS is available as an in-car navigation aid and as such, is used by vacationers and businesspeople who make frequent calls on clients or customers. Handheld GPS receivers are often used by hikers and hunters. Rescue crews use GPS to locate persons in emergency situations. A pastime known as caching or geocaching uses GPS to locate objects deliberately concealed in certain locations in an adult version of a child’s treasure hunt. GPS is also used on the space shuttle

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