41.   The Pentagon has allowed free access to the system in the past, but restricted it so that commercial users could not pinpoint certain locations with their receivers.

42.   The robot carries a pair of Global Positioning System receivers and uses signals from orbiting satellites to pinpoint its location.

43.   The system can pinpoint a location to within a few feet.

44.   The teams use metal detectors and explosives-sniffing dogs to pinpoint the location of each device.

45.   The technology also can track pets or endangered wildlife, pinpoint the location of stolen valuables, and even locate lost luggage.

46.   The system uses a secure, radio-based technology to pinpoint the location of a piece of equipment and track it as it moves.

47.   The test includes the use of a global positioning system, which uses satellites to pinpoint the location of the van.

48.   Their location was pinpointed, near a piece of land called Squaw Island.

49.   Their responses, bounced off the satellites, would make it possible to pinpoint their location.