GPS Wide Area Augmentation System (WAAS) Performance Standard 1st Edition
U.S. Federal Aviation Administration [ link-1708-0006 ] Link to GPS.gov : This document defines the levels of performance the U.S. Government makes available to users of the Global Positioning System (GPS) Standard Positioning Serce (SPS) augmented by the Wide Area Augmentation System (WAAS). It has been approved by the Vice President for Technical Oprations, Federal… Read More »