40o48

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40o48N 96o40W
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Most well known grid system is latitude and
longitude
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• Latitude Basics
• 1. Distance North or South
• 2. Always parallel
• 3. Also called Parallels
• 4. Total of 90 degrees

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• Major Lines of Latitude

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• Longitude Basics
• Lines of longitude prime meridian
• East West of the prime meridian
• 4. Physical distance
• 5. 180 degrees

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Laser projected from the Royal Observatory in
Greenwich marking the Prime Meridian
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How to Read Latitude and Longitude

• All lines are divided up into degrees, minutes,
  and seconds.

One line of Lat/long
One line of Long or Lat is then divided into 60
minutes
Each minute is divided into 60 seconds
10o 11o
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How to read Lat and Long

• Lat is always first and Long is second.
• You always use lat first and use the direction
  NESW to indicate which direction to go.

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