International global positioning system network for space science missions.

Mode of access: Internet.

Satellite acquisition : global positioning system acquisition changes after Challenger's accident : briefing report to the chairman, Subcommittee on Defense, Committee on Appropriations, House of Representatives /

Bill Chappell, Jr., chairman, Subcommittee on Defense, Committee on Appropriations, House of Representatives. -- p. [1].

Global Positioning Systems technology and its application in environmental programs /

Mode of access: Internet.

GPS implementation plan for air navigation & landing /

Mode of access: Internet.

Telemaze : a feedback control system for the remote positioning of a distant exploratory vehicle /

"UIUCDCS-R-74-683"

Calibration of radar antenna and positioning camera axes of the airborne profile recorder system.

Includes bibliography.