21 KiB
21 KiB
| 1 | uom_code | unit_of_meas_name | unit_of_meas_type | target_uom_code | factor_b | factor_c | remarks | information_source | data_source | revision_date | change_id | deprecated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1024 | bin | scale | 9201 | 1 | 1 | OGP | OGP | 2012/07/14 | 2011.106 | 0 | |
| 3 | 1025 | millimetre | length | 9001 | 1 | 1000 | ISO 1000. | IOGP | 2015/11/25 | 2013.021 2015.062 | 0 | |
| 4 | 1026 | metres per second | length | 1026 | 1 | 1 | Length rate. | OGP | IOGP | 2015/11/25 | 2013.021 2015.062 | 0 |
| 5 | 1027 | millimetres per year | length | 1026 | 1 | 31556925445 | Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. | ISO 1000. | OGP | 2013/09/02 | 2013.021 2013.042 | 0 |
| 6 | 1028 | parts per billion | scale | 9201 | 1 | 1000000000 | Billion is internationally ambiguous, in different languages being 1E+9 and 1E+12. One billion taken here to be 1E+9. | OGP | OGP | 2013/05/29 | 2013.021 | 0 |
| 7 | 1031 | milliarc-second | angle | 9101 | 3.14159265358979 | 648000000 | = ((pi/180) / 3600 / 1000) radians | IOGP | 2015/11/25 | 2013.021 2015.062 | 0 | |
| 8 | 1033 | centimetre | length | 9001 | 1 | 100 | ISO 1000. | IOGP | 2015/11/25 | 2013.021 2015.062 | 0 | |
| 9 | 1034 | centimetres per year | length | 1026 | 1 | 3155692544.5 | Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. | ISO 1000. | OGP | 2013/09/02 | 2013.021 2013.042 | 0 |
| 10 | 1035 | radians per second | angle | 1035 | 1 | 1 | Angle rate. | OGP | IOGP | 2015/11/25 | 2013.021 2015.062 | 0 |
| 11 | 1036 | unity per second | scale | 1036 | 1 | 1 | Scale rate. | OGP | OGP | 2013/05/29 | 2013.021 | 0 |
| 12 | 1040 | second | time | 1040 | 1 | 1 | Not to be confused with the angle unit arc-second. | ISO 1000. | IOGP | 2015/11/25 | 2013.021 2015.062 | 0 |
| 13 | 1041 | parts per million per year | scale | 1036 | 1 | 31556925445000 | Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. | OGP | 2013/09/02 | 2013.021 2013.037 2013.042 | 0 | |
| 14 | 1042 | metres per year | length | 1026 | 1 | 31556925.445 | Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. | OGP | OGP | 2013/09/02 | 2013.021 2013.042 | 0 |
| 15 | 1043 | arc-seconds per year | angle | 1035 | 3.14159265358979 | 20448887688360 | =((pi/180) / 3600) radians per year. Year taken to be IUGS definition of 31556925.445 seconds; see UoM code 1029. | IOGP | 2015/03/06 | 2013.021 2013.042 2015.014 | 0 | |
| 16 | 9001 | metre | length | 9001 | 1 | 1 | Also known as International metre. SI standard unit. | ISO 1000. | IOGP | 2015/11/25 | 2015.062 | 0 |
| 17 | 9002 | foot | length | 9001 | 0.3048 | 1 | ISO 1000; 1958 | IOGP | 2015/11/25 | 2015.062 | 0 | |
| 18 | 9003 | US survey foot | length | 9001 | 12 | 39.37 | Used in USA. | OGP | IOGP | 2015/11/25 | 1999.990 2015.062 | 0 |
| 19 | 9005 | Clarke's foot | length | 9001 | 0.3047972654 | 1 | Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international metre. Used in older Australian, southern African & British West Indian mapping. | Australian Land Information Group www.auslig.gov.au | IOGP | 2015/11/25 | 1997.233 1999.990 2000.050 2005.370 2005.460 2015.062 | 0 |
| 20 | 9014 | fathom | length | 9001 | 1.8288 | 1 | = 6 feet. | IOGP | 2015/11/25 | 2015.062 | 0 | |
| 21 | 9030 | nautical mile | length | 9001 | 1852 | 1 | IOGP | 2015/11/25 | 1996.240 2015.062 | 0 | ||
| 22 | 9031 | German legal metre | length | 9001 | 1.0000135965 | 1 | Used in Namibia. | Chief Directorate Surveys and Land Information; Mowbray; South Africa | IOGP | 2015/11/25 | 2015.062 | 0 |
| 23 | 9033 | US survey chain | length | 9001 | 792 | 39.37 | Used in USA primarily for public lands cadastral work. | Bureau of Land Management technical bulletin 6 (1973) and Standard Field Tables 8th edition (1956). | IOGP | 2015/11/25 | 1999.990 2015.062 | 0 |
| 24 | 9034 | US survey link | length | 9001 | 7.92 | 39.37 | Used in USA primarily for public lands cadastral work. | Bureau of Land Management technical bulletin 6 (1973) and Standard Field Tables 8th edition (1956). | IOGP | 2015/11/25 | 1999.990 2015.062 | 0 |
| 25 | 9035 | US survey mile | length | 9001 | 63360 | 39.37 | Used in USA primarily for public lands cadastral work. | Bureau of Land Management technical bulletin 6 (1973) and Standard Field Tables 8th edition (1956). | IOGP | 2015/11/25 | 1999.990 2015.062 | 0 |
| 26 | 9036 | kilometre | length | 9001 | 1000 | 1 | ISO 1000. | IOGP | 2015/11/25 | 2015.062 | 0 | |
| 27 | 9037 | Clarke's yard | length | 9001 | 0.9143917962 | 1 | =3 Clarke's feet. Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international metre. Used in older Australian, southern African & British West Indian mapping. | Australian Land Information Group www.auslig.gov.au | IOGP | 2015/11/25 | 1997.233 1999.990 2005.370 2005.460 2015.062 | 0 |
| 28 | 9038 | Clarke's chain | length | 9001 | 20.1166195164 | 1 | =22 Clarke's yards. Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international metre. Used in older Australian, southern African & British West Indian mapping. | Australian Land Information Group www.auslig.gov.au | IOGP | 2015/11/25 | 1997.233 1999.990 2005.370 2005.460 2015.062 | 0 |
| 29 | 9039 | Clarke's link | length | 9001 | 0.201166195164 | 1 | =1/100 Clarke's chain. Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international metre. Used in older Australian, southern African & British West Indian mapping. | Australian Land Information Group www.auslig.gov.au | IOGP | 2015/11/25 | 1997.233 1999.990 2005.370 2005.460 2015.062 | 0 |
| 30 | 9040 | British yard (Sears 1922) | length | 9001 | 36 | 39.370147 | Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre. Used in East Malaysian and older New Zealand mapping. | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 31 | 9041 | British foot (Sears 1922) | length | 9001 | 12 | 39.370147 | Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre. Used in East Malaysian and older New Zealand mapping. | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 32 | 9042 | British chain (Sears 1922) | length | 9001 | 792 | 39.370147 | Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre. Used in East Malaysian and older New Zealand mapping. | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 33 | 9043 | British link (Sears 1922) | length | 9001 | 7.92 | 39.370147 | Uses Sear's 1922 British yard-metre ratio as given by Bomford as 39.370147 inches per metre. Used in East Malaysian and older New Zealand mapping. | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 34 | 9050 | British yard (Benoit 1895 A) | length | 9001 | 0.9143992 | 1 | Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard. Used for deriving metric size of ellipsoid in Palestine. | J.S.Clark; "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2006.260 2015.062 | 0 |
| 35 | 9051 | British foot (Benoit 1895 A) | length | 9001 | 0.9143992 | 3 | Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard. Used for deriving metric size of ellipsoid in Palestine. | J.S.Clark; "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2006.260 2015.062 | 0 |
| 36 | 9052 | British chain (Benoit 1895 A) | length | 9001 | 20.1167824 | 1 | Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard. Used for deriving metric size of ellipsoid in Palestine. | J.S.Clark; "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2006.260 2015.062 | 0 |
| 37 | 9053 | British link (Benoit 1895 A) | length | 9001 | 0.201167824 | 1 | Uses Benoit's 1895 British yard-metre ratio as given by Clark as 0.9143992 metres per yard. Used for deriving metric size of ellipsoid in Palestine. | J.S.Clark; "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2006.260 2015.062 | 0 |
| 38 | 9060 | British yard (Benoit 1895 B) | length | 9001 | 36 | 39.370113 | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 39 | 9061 | British foot (Benoit 1895 B) | length | 9001 | 12 | 39.370113 | Uses Benoit's 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre. Used in West Malaysian mapping. | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 40 | 9062 | British chain (Benoit 1895 B) | length | 9001 | 792 | 39.370113 | Uses Benoit's 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre. Used in West Malaysian mapping. | G. Bomford "Geodesy" 2nd edition 1962; after J.S.Clark "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 41 | 9063 | British link (Benoit 1895 B) | length | 9001 | 7.92 | 39.370113 | Uses Benoit's 1895 British yard-metre ratio as given by Bomford as 39.370113 inches per metre. Used in West Malaysian mapping. | G. Bomford; "Geodesy"; 3rd edition 1975 | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 42 | 9070 | British foot (1865) | length | 9001 | 0.9144025 | 3 | Uses Clark's estimate of 1853-1865 British foot-metre ratio of 0.9144025 metres per yard. Used in 1962 and 1975 estimates of Indian foot. | J.S.Clark; "Remeasurement of the Old Length Standards"; Empire Survey Review no. 90; 1953. | IOGP | 2015/11/25 | 1997.233 1999.990 2015.062 | 0 |
| 43 | 9080 | Indian foot | length | 9001 | 12 | 39.370142 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (= 3 British feet) taken to be J.S.Clark's 1865 value of 0.9144025 metres. | G. Bomford; "The Re-adjustment of the Indian Triangulation"; Survey of India Professional Paper 28; 1939. | IOGP | 2015/11/25 | 1997.231 1999.990 2015.062 | 0 |
| 44 | 9081 | Indian foot (1937) | length | 9001 | 0.30479841 | 1 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British foot taken to be 1895 Benoit value of 12/39.370113m. Rounded to 8 decimal places as 0.30479841. Used from Bangladesh to Vietnam. Previously used in India and Pakistan but superseded. | G. Bomford; "The Re-adjustment of the Indian Triangulation"; Survey of India Professional Paper 28; 1939. | IOGP | 2015/11/25 | 1997.231 1999.990 2015.062 | 0 |
| 45 | 9082 | Indian foot (1962) | length | 9001 | 0.3047996 | 1 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (3 feet) taken to be J.S. Clark's 1865 value of 0.9144025m. Rounded to 7 significant figures with a small error as 1 Ind ft=0.3047996m. Used in Pakistan since metrication. | G. Bomford; "Geodesy"; 2nd edition 1962 | IOGP | 2015/11/25 | 1997.231 1999.990 2007.011 2015.062 | 0 |
| 46 | 9083 | Indian foot (1975) | length | 9001 | 0.3047995 | 1 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (3 feet) taken to be J.S. Clark's 1865 value of 0.9144025m. Rounded to 7 significant figures as 1 Ind ft=0.3047995m. Used in India since metrication. | G. Bomford; "Geodesy"; 3rd edition 1975 | IOGP | 2015/11/25 | 1997.231 1999.990 2007.011 2015.062 | 0 |
| 47 | 9084 | Indian yard | length | 9001 | 36 | 39.370142 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (= 3 British feet) taken to be J.S.Clark's 1865 value of 0.9144025 metres. | G. Bomford; "The Re-adjustment of the Indian Triangulation"; Survey of India Professional Paper 28; 1939. | IOGP | 2015/11/25 | 1997.231 1999.990 2015.062 | 0 |
| 48 | 9085 | Indian yard (1937) | length | 9001 | 0.91439523 | 1 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British foot taken to be 1895 Benoit value of 12/39.370113m. Rounded to 8 decimal places as 0.30479841. Used from Bangladesh to Vietnam. Previously used in India and Pakistan but superseded. | G. Bomford; "The Re-adjustment of the Indian Triangulation"; Survey of India Professional Paper 28; 1939. | IOGP | 2015/11/25 | 1997.231 1999.990 2015.062 | 0 |
| 49 | 9086 | Indian yard (1962) | length | 9001 | 0.9143988 | 1 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (3 feet) taken to be J.S. Clark's 1865 value of 0.9144025m. Rounded to 7 significant figures with a small error as 1 Ind ft=0.3047996m. Used in Pakistan since metrication. | G. Bomford; "Geodesy"; 2nd edition 1962 | IOGP | 2015/11/25 | 1997.231 1999.990 2007.011 2015.062 | 0 |
| 50 | 9087 | Indian yard (1975) | length | 9001 | 0.9143985 | 1 | Indian Foot = 0.99999566 British feet (A.R.Clarke 1865). British yard (3 feet) taken to be J.S. Clark's 1865 value of 0.9144025m. Rounded to 7 significant figures as 1 Ind ft=0.3047995m. Used in India since metrication. | G. Bomford; "Geodesy"; 3rd edition 1975 | IOGP | 2015/11/25 | 1997.231 1999.990 2007.011 2015.062 | 0 |
| 51 | 9093 | Statute mile | length | 9001 | 1609.344 | 1 | =5280 feet | OGP | IOGP | 2015/11/25 | 2015.062 | 0 |
| 52 | 9094 | Gold Coast foot | length | 9001 | 6378300 | 20926201 | Used in Ghana and some adjacent parts of British west Africa prior to metrication, except for the metrication of projection defining parameters when British foot (Sears 1922) used. | Ordnance Survey International | IOGP | 2015/11/25 | 2000.861 2015.062 | 0 |
| 53 | 9095 | British foot (1936) | length | 9001 | 0.3048007491 | 1 | For the 1936 retriangulation OSGB defines the relationship of 10 feet of 1796 to the International metre through the logarithmic relationship (10^0.48401603 exactly). 1 ft = 0.3048007491…m. Also used for metric conversions in Ireland. | 1. "The Retriangulation of Great Britain", Ordnance Survey of Great Britain. 2. "The Irish Grid - A Description of the Co-ordinate Reference System" published by Ordnance Survey of Ireland, Dublin and Ordnance Survey of Northern Ireland, Belfast. | IOGP | 2015/11/25 | 2002.621 2006.932 2015.062 | 0 |
| 54 | 9096 | yard | length | 9001 | 0.9144 | 1 | =3 international feet. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 |
| 55 | 9097 | chain | length | 9001 | 20.1168 | 1 | =22 international yards or 66 international feet. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 |
| 56 | 9098 | link | length | 9001 | 20.1168 | 100 | =1/100 international chain. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 |
| 57 | 9099 | British yard (Sears 1922 truncated) | length | 9001 | 0.914398 | 1 | Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures. | Defence Geographic Centre | IOGP | 2015/11/25 | 2006.901 2015.062 | 0 |
| 58 | 9101 | radian | angle | 9101 | 1 | 1 | SI standard unit. | ISO 1000:1992 | IOGP | 2015/11/25 | 2015.062 | 0 |
| 59 | 9102 | degree | angle | 9101 | 3.14159265358979 | 180 | = pi/180 radians | IOGP | 2015/11/25 | 1996.220 2002.860 2015.062 | 0 | |
| 60 | 9103 | arc-minute | angle | 9101 | 3.14159265358979 | 10800 | 1/60th degree = ((pi/180) / 60) radians | IOGP | 2015/11/25 | 1996.220 2002.860 2015.062 | 0 | |
| 61 | 9104 | arc-second | angle | 9101 | 3.14159265358979 | 648000 | 1/60th arc-minute = ((pi/180) / 3600) radians | IOGP | 2015/11/25 | 1996.220 2002.860 2015.062 | 0 | |
| 62 | 9105 | grad | angle | 9101 | 3.14159265358979 | 200 | =pi/200 radians. | OGP | IOGP | 2015/11/25 | 1996.220 1999.050 2002.860 2015.062 | 0 |
| 63 | 9106 | gon | angle | 9101 | 3.14159265358979 | 200 | =pi/200 radians | OGP | 2002/11/18 | 1996.220 2002.860 2015.062 | 1 | |
| 64 | 9107 | degree minute second | angle | 9102 | Degree representation. Format: signed degrees (integer) - arc-minutes (integer) - arc-seconds (real, any precision). Different symbol sets are in use as field separators, for example º ' ". Convert to degrees using algorithm. | OGP | IOGP | 2015/11/25 | 1996.190 2002.070 2002.780 2015.062 | 0 | ||
| 65 | 9108 | degree minute second hemisphere | angle | 9102 | Degree representation. Format: degrees (integer) - arc-minutes (integer) - arc-seconds (real) - hemisphere abbreviation (single character N S E or W). Different symbol sets are in use as field separators for example º ' ". Convert to deg using algorithm. | OGP | IOGP | 2015/11/25 | 1996.190 2002.070 2002.780 2015.062 | 0 | ||
| 66 | 9109 | microradian | angle | 9101 | 1 | 1000000 | rad * 10E-6 | ISO 1000. | OGP | 1996/10/18 | 1999.050 | 0 |
| 67 | 9110 | sexagesimal DMS | angle | 9102 | Pseudo unit. Format: signed degrees - period - minutes (2 digits) - integer seconds (2 digits) - fraction of seconds (any precision). Must include leading zero in minutes and seconds and exclude decimal point for seconds. Convert to degree using formula. | OGP | IOGP | 2015/11/25 | 2002.270 2002.780 2008.020 2015.062 | 0 | ||
| 68 | 9111 | sexagesimal DM | angle | 9102 | Pseudo unit. Format: sign - degrees - decimal point - integer minutes (two digits) - fraction of minutes (any precision). Must include leading zero in integer minutes. Must exclude decimal point for minutes. Convert to deg using algorithm. | OGP | IOGP | 2015/11/25 | 2002.070 2002.780 2015.062 | 0 | ||
| 69 | 9112 | centesimal minute | angle | 9101 | 3.14159265358979 | 20000 | 1/100 of a grad and gon = ((pi/200) / 100) radians | http://www.geodesy.matav.hu/ | IOGP | 2015/11/25 | 1998.480 1999.510 2002.860 2005.460 2015.062 | 0 |
| 70 | 9113 | centesimal second | angle | 9101 | 3.14159265358979 | 2000000 | 1/100 of a centesimal minute or 1/10,000th of a grad and gon = ((pi/200) / 10000) radians | http://www.geodesy.matav.hu/ | IOGP | 2015/11/25 | 1999.510 2002.860 2005.460 2015.062 | 0 |
| 71 | 9114 | mil_6400 | angle | 9101 | 3.14159265358979 | 3200 | Angle subtended by 1/6400 part of a circle. Approximates to 1/1000th radian. Note that other approximations (notably 1/6300 circle and 1/6000 circle) also exist. | http://www.geodesy.matav.hu/ | IOGP | 2015/11/25 | 1999.510 2005.460 2015.062 | 0 |
| 72 | 9115 | degree minute | angle | 9102 | Degree representation. Format: signed degrees (integer) - arc-minutes (real, any precision). Different symbol sets are in use as field separators, for example º '. Convert to degrees using algorithm. | OGP | IOGP | 2015/11/25 | 2002.780 2015.062 | 0 | ||
| 73 | 9116 | degree hemisphere | angle | 9102 | Degree representation. Format: degrees (real, any precision) - hemisphere abbreviation (single character N S E or W). Convert to degrees using algorithm. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 | ||
| 74 | 9117 | hemisphere degree | angle | 9102 | Degree representation. Format: hemisphere abbreviation (single character N S E or W) - degrees (real, any precision). Convert to degrees using algorithm. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 | ||
| 75 | 9118 | degree minute hemisphere | angle | 9102 | Degree representation. Format: degrees (integer) - arc-minutes (real, any precision) - hemisphere abbreviation (single character N S E or W). Different symbol sets are in use as field separators, for example º '. Convert to degrees using algorithm. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 | ||
| 76 | 9119 | hemisphere degree minute | angle | 9102 | Degree representation. Format: hemisphere abbreviation (single character N S E or W) - degrees (integer) - arc-minutes (real, any precision). Different symbol sets are in use as field separators, for example º '. Convert to degrees using algorithm. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 | ||
| 77 | 9120 | hemisphere degree minute second | angle | 9102 | Degree representation. Format: hemisphere abbreviation (single character N S E or W) - degrees (integer) - arc-minutes (integer) - arc-seconds (real). Different symbol sets are in use as field separators for example º ' ". Convert to deg using algorithm. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 | ||
| 78 | 9121 | sexagesimal DMS.s | angle | 9102 | Pseudo unit. Format: signed degrees - minutes (two digits) - seconds (real, any precision). Must include leading zero in minutes and seconds where value is under 10 and include decimal separator for seconds. Convert to degree using algorithm. | ISO 6709:1983. | IOGP | 2015/11/25 | 2015.062 | 0 | ||
| 79 | 9122 | degree (supplier to define representation) | angle | 9101 | 3.14159265358979 | 180 | = pi/180 radians. The degree representation (e.g. decimal, DMSH, etc.) must be clarified by suppliers of data associated with this code. | OGP | IOGP | 2015/11/25 | 2015.062 | 0 |
| 80 | 9201 | unity | scale | 9201 | 1 | 1 | IOGP | 2015/11/25 | 2015.062 | 0 | ||
| 81 | 9202 | parts per million | scale | 9201 | 1 | 1000000 | IOGP | 2015/11/25 | 2013.021 2013.037 2015.062 | 0 | ||
| 82 | 9203 | coefficient | scale | 9201 | 1 | 1 | Used when parameters are coefficients. They inherently take the units which depend upon the term to which the coefficient applies. | OGP | OGP | 2004/09/14 | 2004.530 | 0 |
| 83 | 9204 | Bin width 330 US survey feet | length | 9001 | 3960 | 39.37 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 84 | 9205 | Bin width 165 US survey feet | length | 9001 | 1980 | 39.37 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 85 | 9206 | Bin width 82.5 US survey feet | length | 9001 | 990 | 39.37 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 86 | 9207 | Bin width 37.5 metres | length | 9001 | 37.5 | 1 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 87 | 9208 | Bin width 25 metres | length | 9001 | 25 | 1 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 88 | 9209 | Bin width 12.5 metres | length | 9001 | 12.5 | 1 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 89 | 9210 | Bin width 6.25 metres | length | 9001 | 6.25 | 1 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 90 | 9211 | Bin width 3.125 metres | length | 9001 | 3.125 | 1 | OGP | OGP | 2000/10/19 | 2000.590 2011.106 | 1 | |
| 91 | 9300 | British foot (Sears 1922 truncated) | length | 9001 | 0.914398 | 3 | Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures; this truncated ratio (0.914398, UoM code 9099) then converted to other imperial units. 3 ftSe(T) = 1 ydSe(T). | Defence Geographic Centre | IOGP | 2015/11/25 | 2006.901 2015.062 | 0 |
| 92 | 9301 | British chain (Sears 1922 truncated) | length | 9001 | 20.116756 | 1 | Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures; this truncated ratio (0.914398, UoM code 9099) then converted to other imperial units. 1 chSe(T) = 22 ydSe(T). Used in metrication of Malaya RSO grid. | Defence Geographic Centre | IOGP | 2015/11/25 | 2006.901 2015.062 | 0 |
| 93 | 9302 | British link (Sears 1922 truncated) | length | 9001 | 20.116756 | 100 | Uses Sear's 1922 British yard-metre ratio (UoM code 9040) truncated to 6 significant figures; this truncated ratio (0.914398, UoM code 9099) then converted to other imperial units. 100 lkSe(T) = 1 chSe(T). | Defence Geographic Centre | IOGP | 2015/11/25 | 2006.901 2015.062 | 0 |