MiLLennium GPSCard SW Version 4.503/4.52 Command Descriptions Manual Rev 2 9
Figures
2-1 The WAAS Concept..............................................................................................30
3-1 Pass-Through Log Data.........................................................................................44
A-1 NAVSTAR Satellite Orbit Arrangement............................... .... .... ........................63
A-2 Illustration of GPSCard Heigh t Me asu reme n ts.................................... .... ... ..........65
A-3 Accuracy versus Precisi on.....................................................................................66
A-4 Example of Differential Positioning......................................................................67
A-5 Single Point Averaging..........................................................................................71
A-6 Typical Differential Configura tio n................................. .... ... ................................72
B-1 Illustration of GPS Signal Multipath.....................................................................75
B-2 Illustration of GPS Signal Multipath vs. Increased Antenn a Heigh t.................. ...77
B-3 Illustration of Quadrifilar vs. Microstrip Patch Antennae.....................................78
B-4 Comparison of Multipath Envelopes.....................................................................80
C-1 HELP Command Screen Display..........................................................................104
C-2 Appended Command Screen Display.................................... .... ............................104
C-3 Illustration of Magnetic Variation & Correction...................................... ... ..........109
C-4 Using SEND Command............................ .... .... .....................................................123
C-5 Illustration of SETNAV Parameters..................................................... .... .............129
C-6 Illustration of Undulation......................................................................................132
D-1 Example of Navigation Parameters.......................................................................177
D-2 The WGS84 ECEF Coordinate System.................................................................187
E-1 Typical RT-2 Horizontal Convergence - Static Mode...........................................233
E-2 Typical RT-2 Horizontal Convergence - Kinematic Mode...................................233
E-3 RT-2 Accuracy Convergence................................................................................234
E-4 Illustration of RT-2 Steady State Performance.............................. ... .... .... .............234
E-5 Typical RT-20 Convergence - Static Mode.............................................. .............235
E-6 Typical RT-20 Convergence - Kinematic Mode...................................................236
E-7 RT-20 Steady State Performance..........................................................................236
E-8 RT-20 Re-initialization Process.............................................................................238