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What was the direct predecessor to the modern NAVSTAR GPS project?
What specific role earned Bradford Parkinson the title "father of GPS"?
What scientific field was Dr. Gladys West’s specialized expertise centered upon?
In what year did GPS achieve full operational capability with a constellation of 24 satellites?
How many satellites must a GPS receiver have an unobstructed line of sight to for positioning?
Where did Dr. Gladys West conduct her work on mathematical modeling for GPS accuracy?
Which earlier positioning system, developed by the U.S. Navy, evolved into the concept for GPS?
Modern navigation app sophistication often revolves around what key activity, beyond charting the shortest route?
What did Bradford Parkinson's leadership ensure regarding disparate military needs?