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The International standard ISO 6709 of the International Organization for Standardization is the standard representation of latitude, longitude and altitude for geographic point locations. The order of the elements is the latitude, the longitude and the altitude.
Formats
Latitude and longitude
| ±DD.DDDD±DDD.DDDD | degrees |
| ±DDMM.MMM±DDDMM.MMM | degrees and minutes |
| ±DDMMSS.SS±DDDMMSS.SS | degrees, minutes and seconds |
| +DD > +00 | north latitudes |
| +DD = +00 | equator |
| -DD < +00 | south latitudes |
| +000 < +DDD < +180 | east longitudes |
| +000 = +DDD | prime meridian |
| -180 < -DDD < +000 | west longitudes |
| -180 = -DDD | 180th meridian |
Altitude
The representation of altitude is optional. The unit is the metre unless the foot is specified.
+mmmm ≥ 0000
-mmmm < 0000
Examples
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