Table Of Contents - Garmin GPS 20x Technical Specifications

TABLE OF CONTENTS

1 Introduction..............................................................................................................................1
1.1 Cautions...........................................................................................................................................................1
1.2 Limited Warranty ............................................................................................................................................2
1.3 Overview .........................................................................................................................................................3
1.4 Features ...........................................................................................................................................................3
1.5 Technical Specifications..................................................................................................................................4
1.5.1 Physical Characteristics.....................................................................................................................................
1.5.1.1 Size....................................................................................................................................................
1.5.1.2 Weight ...............................................................................................................................................
1.5.1.3 Color..................................................................................................................................................
1.5.1.4 Case Material.....................................................................................................................................
1.5.1.5 Cable Length .....................................................................................................................................
1.5.2 Electrical Characteristics...................................................................................................................................
1.5.2.1 Input Voltage.....................................................................................................................................
1.5.2.2 Input Current .....................................................................................................................................
1.5.2.3 GPS Receiver Sensitivity ..................................................................................................................
1.5.2.4 Environmental Characteristics...........................................................................................................
1.5.3 GPS Performance ..............................................................................................................................................
1.5.3.1 Receiver.............................................................................................................................................
1.5.3.2 Acquisition Times .............................................................................................................................
1.5.3.3 Update Rate .......................................................................................................................................
1.5.3.4 Accuracy ...........................................................................................................................................
1.5.4 Interfaces...........................................................................................................................................................
1.5.4.1 GPS 20x Electrical Characteristics....................................................................................................
1.5.4.2 Garmin Interface and Garmin USB Protocol.....................................................................................
2 Mechanical Characteristics &
3 GPS 20x Software
3.1 Transmitted NMEA 0183 Sentences
3.1.1 Sentence Transmission Rate..............................................................................................................................
3.1.2 Transmitted Time ..............................................................................................................................................
3.1.3 Global Positioning System Fix Data (GGA) .....................................................................................................
3.1.4 GPS DOP and Active Satellites (GSA) .............................................................................................................
3.1.5 GPS Satellites in View (GSV)...........................................................................................................................
3.1.6 Recommended Minimum Specific GPS/TRANSIT Data (RMC) .....................................................................
3.1.7 Sensor Status Information (PGRMT) ..............................................................................................................
Appendix A: Earth Datum List
Appendix B: Garmin Binary Output Format
LIST OF TABLES AND FIGURES
Figure 1. GPS 20x Top Case Dimensions
Figure 2. GPS 20x Side View........................................................................................................................................6
Figure 3. GPS 20x End View
Table 1: NMEA 0183 Output Sentence Order and Size
190-00880-00
Mounting...............................................................................6
Interface....................................................................................................7
...............................................................................................................7
..................................................................................................11
.....................................................................................................................6
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GPS 20x Technical Specifications
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