Garmin 010-11018-00 GPS 20x Technical Specifications - Page 14

190-00880-00

GPS 20x Technical Specifications

Rev. A

Page 11

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):

0

ADINDAN–Ethiopia, Mali, Senegal, Sudan

9

AUSTRALIAN GEODETIC 1984–Australia, Tasmania Island

10

ASTRO DOS 71/4–St. Helena Island

11

ASTRONOMIC STATION 1952–Marcus Island

12

ASTRO B4 SOROL ATOLL–Tern Island

13

BELLEVUE (IGN)–Efate and Erromango Islands

14

BERMUDA 1957–Bermuda Islands

15

BOGOTA OBSERVATORY–Colombia

16

CAMPO INCHAUSPE–Argentina

17

CANTON ASTRO 1966–Phoenix Islands

18

CAPE CANAVERAL–Florida, Bahama Islands

19

CAPE–South Africa

20

CARTHAGE–Tunisia

21

CHATHAM 1971–Chatham Island (New Zealand)

22

CHUA ASTRO–Paraguay

23

CORREGO ALEGRE–Brazil

24

DJAKARTA (BATAVIA)–Sumatra Island (Indonesia)

25

DOS 1968–Gizo Island (New Georgia Islands)

26

EASTER ISLAND 1967–Easter Island

27

EUROPEAN 1950–Austria, Belgium, Denmark, Finland, France, Germany, Gibraltar, Greece, Italy,

Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland

28

EUROPEAN 1979–Austria, Finland, Netherlands, Norway, Spain, Sweden, Switzerland

29

FINLAND HAYFORD 1910–Finland

30

GANDAJIKA BASE–Republic of Maldives

31

GEODETIC DATUM 1949–New Zealand

32

ORDNANCE SURVEY OF GREAT BRITAIN 1936–England, Isle of Man, Scotland, Shetland Islands,

Wales

33

GUAM 1963–Guam Island

34

GUX 1 ASTRO–Guadalcanal Island

35

HJORSEY 1955–Iceland

36

HONG KONG 1963–Hong Kong

37

INDIAN–Bangladesh, India, Nepal

38

INDIAN–Thailand, Vietnam

39

IRELAND 1965–Ireland

40

ISTS O73 ASTRO 1969–Diego Garcia

41

JOHNSTON ISLAND 1961–Johnston Island

42

KANDAWALA–Sri Lanka

43

KERGUELEN ISLAND–Kerguelen Island

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

Garmin 010-11018-00 GPS 20x Technical Specifications - Page 14

Appendix A: Earth Datum List

Page 14 highlights