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Latitude / Longitude

Latitude / Longitude. Lat/lon practice map. The Equator and Parallels of Latitude. Longitude. W. DDD° MM ' SS ". A latitude / longitude coordinate would be written like…. N 37° 22' 30" W 122° 15' 45". DDD° MM.MMM '.

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Latitude / Longitude

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  1. Latitude / Longitude Lat/lon practice map

  2. The Equator and Parallels of Latitude

  3. Longitude

  4. W

  5. DDD° MM' SS" • A latitude / longitude coordinate would be written like… • N 37° 22' 30" W 122° 15' 45"

  6. DDD° MM.MMM' • It is now common place to write lat / lon coordinates in a “decimal minutes” format. • N 37° 22.5' • W 122° 15.75'

  7. DDD.DDDD° • Many computer based systems report lat/lon in decimal degrees. • N 37.3750° • W 122.2625°

  8. Units Matter • It is important to include all of the units and notation. • It’s N 37° 22' 30" W 122° 15' 45”Not 372230 1221545 • Correct coordinates are occasionally a matter of life and death. • Don’t sacrifice clarity due to laziness!

  9. MeasuringLatitude

  10. MeasuringLongitude

  11. Using Lat/Lon is Tricky • Take a look at the “Lat/Lon Practice Map” handout. • Can you quickly determine what map feature is at: N 38° 36' 22" W 120° 03' 58"

  12. Lat/Lon CoordinateExercise

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