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Ardmore G.I.S. Software
G.P.S. Hardware
Useful Conversions & Information



1chain
1 chain
1 rod
1 mile
1 mile
1 mile
 1 sq. mi.
1 acre
1 acre
1 meter
1 meter
1 inch


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100 links
66 feet
16.5 feet
80 chains
320 rods
5,280 feet
 640 acres
43,560 sq. ft.
208.71 ft. sq.
39.37 inches
3.28 feet
2.54 centimeters


 		Methods of Measuring Angles

Azimuths
 Bearings


Measured from 0º to 360º
Requires only numerical value
Measured clockwise only
 Measured from 0º to 90º
Requires two letters & numerical value
Measured clockwise & counter clockwise

Sections, Townships, & Ranges
An Ideal Township
 An Ideal Section




           
The "Ideal" township is a 6 mile by 6 mile quadrangle that contains 36 square miles & allows the land to be divided in a rectangular method.  This method utilizes a principal meridian & baseline to originate from. Townships are numberd north & south from the baseline. They are also measured east & west with respect to the principal meridian by range numbers. The north & west lots of each township are designated to compensate for discrepancies that may occur in that township.
 The "Ideal" section is one square mile containing 640 acres.  It is 5,280 feet by 5,280 feet & is divided up by quarter sections. A section can be divided several times by repeating variations & combinations of this method.


                                                                                                    
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