AvL Technologies AAQ Antenna Controller - Page 7

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6.5.9 Plateau Peaking ................................................................................................... 129
6.5.10 Polarization Peaking ........................................................................................... 129
6.5.11 Other Signal Based Parameters .......................................................................... 130
6.6 Feed Based Parameters .................................................................................................... 130
6.7 Sensor Override ................................................................................................................ 132
6.7.1 Compass ............................................................................................................... 132
6.7.2 GPS ....................................................................................................................... 133
6.7.3 Tilt ........................................................................................................................ 133
6.8 System Options ................................................................................................................. 133
6.8.1 NMEA Server ........................................................................................................ 133
6.8.2 Slide Motor Feed System ..................................................................................... 134
6.8.3 Vector Compass ................................................................................................... 134
6.8.4 Wing System ........................................................................................................ 135
Chapter 7 - Theory of Operation ........................................................................................................................... 135
7.1 Introduction ...................................................................................................................... 135
7.1.1 Auto-Point Antenna Basics .................................................................................. 136
7.2 Antenna Drive System ...................................................................................................... 137
7.2.1 Azimuth Cable Drive ............................................................................................ 137
7.2.2 Elevation Positioning ........................................................................................... 142
7.2.3 Feed and Polarization Positioning ....................................................................... 146
7.3 AAQ Controller System Detailed Description ................................................................... 150
7.3.1 Modular / Parametric Software ........................................................................... 150
7.3.2 Operator Access Levels ........................................................................................ 151
7.3.3 AAQ Configuration Items ..................................................................................... 152
7.3.4 Antenna System Calibration ................................................................................ 153
7.3.5 Factory Test ......................................................................................................... 153
7.3.6 Power-On Calibration .......................................................................................... 154
7.3.7 Product Lifetime .................................................................................................. 154
7.4 AAQ Controller Functional Description ............................................................................ 155
7.4.1 Pedestal Base Heading ........................................................................................ 155
7.4.2 SATTANT .............................................................................................................. 156
7.4.3 Reference satellite function ................................................................................ 157
7.4.4 Pedestal Tilt Compensation ................................................................................. 158
7.4.5 Satellite Pointing Solution ................................................................................... 158