Garmin Proprietary NMEA $PGxxx sentence list

$PGRMC - Sensor configuration information
                                                13  14
               1 2   3  4   5   6   7   8   9 10| 12|
               | |   |  |   |   |   |   |   | | | | |
        $PGRMC,A,x.x,hh,x.x,x.x,x.x,x.x,x.x,c,c,2,c*hh

	 1) Fix mode, A=automatic (only option)
	 2) Altitude above/below mean sea level, -1500.0 to 18000.0 meters 
	 3) Earth datum index. If the user datum index (96) is specified,
	    fields 5-8 must contain valid values. Otherwise, fields 4-8 must be null.
	    Refer to Appendix A for a list of earth datums and the
         corresponding earth datum index.
	 4) User earth datum semi-major axis, 6360000.0 to 6380000.0 meters (.001 meters resolution) 
	 5) User earth datum inverse flattening factor, 285.0 to 310.0 (10-9 resolution)
	 6) User earth datum delta x earth centered coordinate, -5000.0 to 5000.0 meters (1 meter resolution) 
	 7) User earth datum delta y earth centered coordinate, -5000.0 to 5000.0 meters (1 meter resolution) 
	 8) User earth datum delta z earth centered coordinate, -5000.0 to 5000.0 meters (1 meter resolution)
	 9) Differential mode, A = automatic (output DGPS data vVhen available, non-DGPS otherwise), D =
	    differential exclusively (output only differential fixes) 
	10) NMEA Baud rate, 1 = 1200, 2 = 2400, 3 = 4800, 4 = 9600 
	11) Filter mode, 2 = no filtering (only option)
	12) PPS mode, 1 = No PPS, 2 = 1 Hz
	13) checksum


$PGRME - Estimated Position Error 

               1   2 3   4 5   6 7
               |   | |   | |   | |
        $PGRME,x.x,M,x.x,M,x.x,M*hh

	 1) estimated horizontal position error (HPE)
	 2) unit, metres
	 3) estimated vertical error (VPE)
	 4) unit, metres
	 5) overall spherical equivalent position error
	 6) unit, metres
	 7) checksum


$PGRMF - Position Fix Sentence
                                                                                10  12        15
               1   2   3      4      5   6         7 8          9 | 11|   13  14| 16
               |   |   |      |      |   |         | |          | | | |   |   | | |
        $PGRMF,x.x,x.x,ddmmyy,hhmmss,x.x,ddmm.mmmm,c,dddmm.mmmm,c,c,c,x.x,x.x,c,c*hh

	 1) GPS week number (0 - 1023) 
	 2) GPS seconds (0 - 604799) 
	 3) UTC date of position fix
	 4) UTC time of position fix
	 5) GPS leap second count 
	 6) Latitude
	 7) N or S
	 8) Longitude
	 9) E or W 
	10) Mode
		M = manual
		A = automatic
	11) Fix type
		0 = no fix
		1 = 2D fix
		2 = 3D fix
	12) Speed over ground, 0 to 999 kilometers/hour
	13) Course over ground, 0 to 359 degrees, true 
	14) Position dilution of precision, 0 to 9 (rounded to nearest integer value)
	15) Time dilution of precision, 0 to 9 (rounded to nearest integer value) 
	16) checksum


$PGRMI - Sensor initialisation information

               1        2 3        4 5      6      7
               |        | |        | |      |      |
        $PGRMI,ddmm.mmm,N,ddmm.mmm,E,ddmmyy,hhmmss*hh

	 1) latitude
	 2) N or S
	 3) longitude
	 4) E or W
	 5) current UTC date
	 6) current UTC time
	 7) checksum


$PGRMM - Map datum 
	
               1     2
               |     |
        $PGRMM,c---c*hh

	 1) currently active horizontal datum
		 (Astrln Geod '66,NAD27 Canada, a.s.o)
	 2) checksum


$PGRMO - Output sentence enable/disable

               1     2 3
               |     | |
        $PGRMO,ccccc,c*hh

	 1) target sentence description (e.g., PGRMT, GPGSV, etc.)
	 2) target sentence mode
		0 = disable specified sentence
		1 = enable specified sentence
		2 = disable all
		3 = enable all output sentences (except GPALM)
	 3) checksum


$PGRMT - Sensor status information

               1     2 3 4 5 6 7 8   9 10
               |     | | | | | | |   | |
        $PGRMT,c...c,c,c,c,c,c,c,x.x,c*hh

	 1) Product, model and software version 
		e.g. "GPS25VEE] 1.10"
	 2) Rom checksum test
		P = pass
		F = fail 
	 3) Receiver failure discrete
		P = pass
		F = fail
	 4) Stored data lost
		R = retained
		L = lost
	 5) Real time clock lost
		R = retained
		L = lost 
	 6) 0scillator drift discrete
		P = pass
		F = excessive drift detected
	 7) Data collection discrete
		C = collecting
		null if not collecting
	 8) Board temperature in degrees C
	 9) Board configuration data
		R = retained
		L= lost
	10) checksum


$PGRMV - 3D velocity

               1   2   3   4
               |   |   |   |
        $PGRMV,x.x,x.x,x.x*hh

	 1) True east velocity, -999.9 to 9999.9 meters/second 
	 2) True north velocity, -999.9 to 9999.9 meters/second 
	 3) Up velocity, -999.9 to 9999.9 meters/second


$PGRMZ - Altitude Information 

               1   2 3 4
               |   | | |
        $PGRMZ,x.x,f,h*hh

	 1) altitude
	 2) unit, feets
	 3) position fix dimensions 
		2 user altitude
		3 GPS altitude     
	 4) checksum

$PSLIB - Proprietry Garman (Differental Control) 

	Proprietary sentences to control a Starlink
	differential beacon receiver.

               1   2   3 4
               |   |   | |
        $PSLIB,x.x,x.x,c*hh

	  1) frequency
	  2) bit rate
	  3) request type
	 	J	= status request
		K	= configuration request
		blank	= tuning message
	  4) checksum



EARTH DATUM INDEX (Garmin GPS 25)

0  ADINDAN - Ethiopia, Mali, Senegal, Sudan 
1  AFGOOYE - Somalia 
2  AIN EL ABD 1970 - Bahrain lsland, Saudi Arabia
3  ANNA 1 ASTRO 1965 - Cocos lsland 
4  ARC 1950- Botswana, Lesotho, Malawi, Swaziland, Zaire, Zambia, Zimbabwe 
5  ARC 1960- Kenya, Tanzania 
6  ASCENSION ISLAND 1958 - Ascension lsland 
7  ASTRO BEACON "E" - Iwo Jima lsland 
8  AUSTRALIAN GEODETIC 1966 - Australia, Tasmania lsland 
9  AUSTRALIAN GEODETIC 1984 - Australia, Tasmania lsland 
10 ASTRO DOS 71/4 - St. Helena lsland
11 ASTRONOMIC STATION 1952 - Marcus lsland 
12 ASTRO B4 SOROL ATOLL - Tern lsland 
13 BELLEVUE (ION) - Efate and Erromango lslands 
14 BERMUDA 1957- Bermuda lslands
15 BOGOTA OBSERVATORY - Colombia
16 CAMPO INCHAUSPE - Argentina 
17 CANTON ASTRO 1966 - Phoenix lslands 
18 CAPE CANAVERAL- Florida, Bahama lslands 
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 (lndonesia) 
25 DOS 1968 - Gizo Island (New Georgia lslands) 
26 EASTER ISLAND 1967 - Easter lsland 
27 EUROPEAN 1950 - Austria, Belgium, Denmark, Finland, France, Germany, Gibraltar,
   Greece, ltaly, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Swit-zerland 
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 lsland 
35 HJORSEY 1955 - Iceland 
36 HONG KONG 1963- Hong Kong 
37 INDIAN- Bangladesh, lndia, Nepal
38 INDIAN - Thailand, Vietnam 
39 IRELAND 1965 - lreland 
40 ISTS 073 ASTRO 1969 - Diego Garcia 
41 JOHNSTON ISLAND 1961 -Johnston lsland 
42 KANDAWALA- Sri Lanka
43 KERGUELEN ISLAND - Kerguelen lsland 
44 KERTAU 1948 - West Malaysia, Singapore 
45 L.C. 5 ASTRO - Cayman Brac lsland 
46 LIBERIA 1964- Liberia 
47 LUZON - Mindanao lsland 
48 LUZON - Phillippines (excluding Mindanao lsland) 
49 MAHE 1971 - Mahe lsland 
50 MARCO ASTRO - Salvage lslands 
51 MASSAWA- Eritrea (Ethiopia) 
52 MERCHICH - Morocco 
53 MIDWAY ASTRO 1961 - Midway lsland 
54 MINNA - Nigeria 
55 NORTH AMERICAN 1927 - Alaska 
56 NORTH AMERICAN 1927 - Bahamas (excluding San Salvador lsland) 
57 NORTH AMERICAN 1927 - Central America (Belize, Costa Rica, El Salvador,
   Guatemala, Honduras, Nicaragua) 
58 NORTH AMERICAN 1927 - Canal Zone 
59 NORTH AMERIGAN 1927 - Canada (including Newfoundland lsland) 
60 NORTH AMERICAN 1927 - Caribbean (Barbados, Caicos lslands, Cuba,
   Dominican Republic, Grand Cayman, Jamaica, Leeward lslands, Turks lslands)
61 NORTH AMERICAN 1927- Mean Value (CONUS)
62 NORTH AMERICAN 1927 - Cuba
63 NORTH AMERICAN 1927- Greenland (Hayes Peninsula) 
64 NORTH AMERICAN 1927- Mexico
65 NORTH AMERICAN 1927 - San Salvador lsland 
66 NORTH AMERICAN 1983 - Alaska, Canada, Central America, CONUS, Mexico 
67 NAPARIMA, BWI - Trinidad and Tobago 
68 NAHRWAN - Masirah lsland (Oman) 
69 NAHRWAN - Saudi Arabia
70 NAHRWAN - United Arab Emirates 
71 OBSERVATORIO 1966 - Corvo and Flores lslands (Azores) 
72 OLD EGYPTIAN - Egypt 
73 OLD HAWAIIAN - Mean Value 
74 OMAN - Oman 
75 PICO DE LAS NIEVES - Canary lslands 
76 PITCAIRN ASTRO 1967- Pitcairn lsland
77 PUERTO RICO- Puerto Rico, Virgin lslands 
78 QATAR NATIONAL - Qatar 
79 QORNOQ - South Greenland
80 REUNION - Mascarene lsland 
81 ROME 1940 - Sardinia lsland 
82 RT 90 - Sweden
83 PROVISIONAL SOUTH AMERICAN 1956 - Bolivia, Chile, Colombia, Ecuador, Guyana, Peru,
   Venezuela 
84 SOUTH AMERICAN 1969 - Argentina, olivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay,
Peru, Venezuela, Trinidad and Tobago 
85 SOUTH ASIA - Singapore 
86 PROVISIONAL SOUTH CHILEAN 1963 - South Chile 
87 SANTO (DOS) - Espirito Santo lsland 
88 SAO BRAZ-Sao Miguel,Santa Maria lslands (Azores ) 
89 SAPPER HILL 1943 - East Falkland Island 
90 SCHWARZECK- Namibia 
91 SOUTHEAST BASE -Porto Santo and Madeira lslands 
92 SOUTHWEST BASE-Faial, Graciosa, Pico,Sao Jorge,and terceira lslands (Azores) 
93 TIMBALAI 1948 - Brunei and East Malaysia (Sarawak and Sabah) 
94 TOKYO - Japan, Korea, Okinawa 
95 TRISTAN ASTRO 1968 - Tristan da Cunha 
96 User defined earth datum
97 VITI LEVU 1916 - Viti Levu Island (Fiji Islands) 
98 WAKE-ENIWETOK 1960- Marshall lslands 
99 WORLD GEODETIC SYSTEM 1972 
100 WORLD GEODETIC SYSTEM 1984 
101 ZANDERIJ - Surinam 
102 CH-1903- Switzerland