Relativity Laws for the Variation of Rates of Clocks Moving in Free Space and GPS Positioning Errors Caused by Space-Weather Events Receiver Biases in Global Positioning Satellite Ranging Stand-Alone Satellite-Based Global Positioning Analysis of Ambiguity False Fixing within a GBAS[a] - L1 GPS as Tool for Monitoring the Dynamic Behavior of Large Bridges Intelligent Traffic System: Implementing Road Networks with Time-Weighted Graphs