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Garmin 010-11018-00 GPS 20x Technical Specifications - Page 9

Mechanical Characteristics

UPC - 753759076917

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2 MECHANICAL CHARACTERISTICS 1.7 in. (42.8 mm) 1.3 in. (32.4 mm) Figure 1. GPS 20x Top Case Dimensions 1.7 in. (42.8 mm) 0.5 in. (12 mm) Figure 2. GPS 20x Side View 0.5 in. (12 mm) Figure 3. GPS 20x End View 190-00880-00 GPS 20x Technical Specifications Page 6 Rev. A

Section	Page
1 INTRODUCTION	4
1.1 CAUTIONS	4
1.2 LIMITED WARRANTY	5
1.3 OVERVIEW	6
1.4 FEATURES	6
1.5 TECHNICAL SPECIFICATIONS	7
1.5.1 Physical Characteristics	7
1.5.1.1 Size	7
1.5.1.2 Weight	7
1.5.1.3 Color	7
1.5.1.4 Case Material	7
1.5.1.5 Cable Length	7
1.5.2 Electrical Characteristics	7
1.5.2.1 Input Voltage	7
1.5.2.2 Input Current	7
1.5.2.3 GPS Receiver Sensitivity	7
1.5.2.4 Environmental Characteristics	7
1.5.3 GPS Performance	7
1.5.3.1 Receiver	7
1.5.3.2 Acquisition Times	7
1.5.3.3 Update Rate	7
1.5.3.4 Accuracy	8
1.5.4 Interfaces	8
1.5.4.1 GPS 20x Electrical Characteristics	8
1.5.4.2 Garmin Interface and Garmin USB Protocol	8
2 MECHANICAL CHARACTERISTICS	9
3 GPS 20x SOFTWARE INTERFACE	10
3.1 TRANSMITTED NMEA 0183 SENTENCES	10
3.1.1 Sentence Transmission Rate	10
3.1.2 Transmitted Time	11
3.1.3 Global Positioning System Fix Data (GGA)	11
3.1.4 GPS DOP and Active Satellites (GSA)	12
3.1.5 GPS Satellites in View (GSV)	12
3.1.6 Recommended Minimum Specific GPS/TRANSIT Data (RMC)	12
3.1.7 Sensor Status Information (PGRMT)	13
APPENDIX A: EARTH DATUM LIST	14