Related Manuals for Garmin GPS 20x
Summary of Contents for Garmin GPS 20x
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Page 1: Specifications
GPS 20x TECHNICAL SPECIFICATIONS Garmin International, Inc. 1200 E. 151 Street Olathe, KS 66062 USA 190-00880-00, Revision A January 2008... - Page 2 Garmin. Garmin hereby grants permission to download a single copy of this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or of any revision hereto,...
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Page 3: Table Of Contents
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 ...6... - Page 4 Use these products at your own risk. To reduce the risk, carefully review and understand all aspects of these Technical Specifications before using the GPS 20x. When in actual use, carefully compare indications from the GPS to all available navigation sources including the information from other NAVAIDs, visual sightings, charts, etc.
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Page 5: Limited Warranty
Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY. - Page 6 1.3 OVERVIEW The GPS 20x includes an embedded receiver and an antenna. The GPS 20x tracks multiple satellites at a time while providing fast time-to-first-fix navigation updates once per second. This generation of GPS sensors includes the capability of FAA Wide Area Augmentation System (WAAS) differential GPS.
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Page 7: Physical Characteristics
-40°C to +90°C (-40°F to +194°F) 1.5.3 GPS Performance 1.5.3.1 Receiver ® WAAS Enabled GPS receiver continuously tracks and uses multiple satellites to compute and update your position. 1.5.3.2 Acquisition Times • Reacquisition: Less than 2 seconds • Hot: Approx. 1 second (all data known) •... -
Page 8: Interfaces
Refer to the Garmin Device Interface Specification found in the Garmin Device Interface SDK for information about the Garmin Interface and the Garmin USB Protocol. At the time of this printing, this document is located on the Garmin Web site at: www.garmin.com/support/commProtocol.html. -
Page 9: Mechanical Characteristics
MECHANICAL CHARACTERISTICS Figure 1. GPS 20x Top Case Dimensions 190-00880-00 1.7 in. (42.8 mm) 1.3 in. (32.4 mm) 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... -
Page 10: Gps 20X Software
The following paragraphs define the sentences that can be transmitted by the GPS 20x using Spanner (an application that can provide NMEA output via a virtual COM port). Spanner is available for free on the Garmin web site. To download the software, start at www.garmin.com/oem, select the GPS 20x, and then select Updates & Downloads. -
Page 11: Transmitted Time
Horizontal dilution of precision, 0.5 to 99.9 <9> Antenna height above/below mean sea level, -9999.9 to 99999.9 meters <10> Geoidal height, -999.9 to 9999.9 meters <11> Null (Differential GPS) <12> Null (Differential Reference Station ID) 190-00880-00 GPS 20x Technical Specifications Page 8 Rev. A... -
Page 12: Gps Dop And Active Satellites (Gsa
Magnetic variation direction, E or W (westerly variation adds to true course) <12> Mode indicator (only output if NMEA 0183 version 2.30 active), A = Autonomous, D = Differential, E = Estimated, N = Data not valid 190-00880-00 GPS 20x Technical Specifications Page 9 Rev. A... -
Page 13: Sensor Status Information (Pgrmt
3.1.7 Sensor Status Information (PGRMT) The Garmin Proprietary sentence $PGRMT gives information concerning the status of the GPS sensor. This sentence is transmitted once per minute regardless of the selected baud rate. $PGRMT,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF> <1> Product, model and software version (variable length field, for example, “GPS 20x VER 2.05”) <2>... - Page 14 APPENDIX A: EARTH DATUM LIST The following is a list of the Garmin GPS 20x Earth datum indices and the corresponding earth datum name (including the area of application): ADINDAN–Ethiopia, Mali, Senegal, Sudan AUSTRALIAN GEODETIC 1984–Australia, Tasmania Island ASTRO DOS 71/4–St. Helena Island ASTRONOMIC STATION 1952–Marcus Island...
- Page 15 OLD EGYPTIAN–Egypt OLD HAWAIIAN–Mean Value OMAN–Oman PICO DE LAS NIEVES–Canary Islands PITCAIRN ASTRO 1967–Pitcairn Island PUERTO RICO–Puerto Rico, Virgin Islands QATAR NATIONAL–Qatar QORNOQ–South Greenland REUNION–Mascarene Island ROME 1940–Sardinia Island RT 90–Sweden 190-00880-00 GPS 20x Technical Specifications Page 12 Rev. A...
- Page 16 VITI LEVU 1916–Viti Levu Island (Fiji Islands) WAKE-ENIWETOK 1960–Marshall Islands WORLD GEODETIC SYSTEM 1972 WORLD GEODETIC SYSTEM 1984 ZANDERIJ–Surinam CH-1903–Switzerland Hu-Tzu-Shan Indonesia 74 Austria Potsdam Taiwan–modified Hu-Tzu-Shan GDA–Geocentric Datum of Australia Dutch 190-00880-00 GPS 20x Technical Specifications Page 13 Rev. A...
- Page 17 Refer to the Garmin Device Interface Specification found in the Garmin Device Interface SDK for details on how to form and parse Garmin packets over USB. At the time of this printing, this document is located on the Garmin Web site at: www.garmin.com/support/commProtocol.html.
- Page 18 - 0x72 0x00 0x00 0x00 (Record ID, 2 bytes unsigned, 4 bytes reserved) - 0x54 0x00 0x00 0x00 (Number of data bytes, 4 bytes unsigned) - 12 cpo_sat_data records 190-00880-00 Meaning when bit is one (1) GPS 20x Technical Specifications Page 15 Rev. A...
- Page 19 Garmin days (days since December 31, 1989) For the latest free software updates (excluding map data) throughout the life of your Garmin products, visit the Garmin Web site at www.garmin.com. 1200 East 151 Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9RB, U.K.