Concept explainers
The geodetic coordinates for a point A.
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The geodetic coordinate for point A is
Given:
The state plane coordinates of points A and B are shown in the following table.
Point | E(m) | N(m) |
A | | |
B | | |
Concept Used:
Write the expression for the actual
Here,
Write the expression for the actual
Here,
Write the expression for the convergence angle.
Here,
Write the expression for the radius of the earth.
Here,
Write the expression for geodetic longitude.
Here,
Write the expression for the number of arcs.
Here,
Write the expression for geodetic latitude.
Calculate the value of
For Pennsylvania’s North Zone.
Substitute
Calculate the value of
Substitute
Calculate the convergence angle.
Substitute
Calculate the radius of Earth.
Substitute
Calculate the geodetic longitude of point
For Pennsylvania’s north zone
Substitute
Calculate the geodetic latitude with the help of table showing various parameters for the North Zone of Pennsylvania.
Latitude
| Radius(m) | Tab. Difference | Scale factor
f |
| 7264593.050 | 30.84830 | 0.99996400 |
| 7262742.152 | 30.84836 | 0.99996295 |
As per the calculations the computed radius,
Substitute
Calculate the geodetic latitude.
Substitute
Conclusion:
The geodetic coordinate of point

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Chapter 20 Solutions
ELEMENTARY SURVERYING W/ACCESS PACKAGE
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