To Measure the Area of Closed Traverse and an Existing Building by Using GPS

Object: To measure the area of a traverse and existing building using GPS.

Apparatus:

Global positioning system device.

Theory:

In this practical, we measure the area of a traverse and also area of an existing building (civil dept.) by GPS and GPS is a navigation system for measuring a position by receiving information from GPS satellites. It’s a constant lation of 24 sate lite orbiting at a distance of 20,000 km from the surface of the earth.

Application of GPS:

1. The location of an shortest route show on map by providing angular coordinates
2. Calculate the area of an existing building
3. Find the angular coordinates of any point.

Benefit of GPS:

• Location determine a basic position
• mapping creating map
• Area calculate area of plot

Uses of GPS:

1. Location -Determine a basic position.
2. Mapping – Creating maps.
3. Area – Calculate area of plot.

Procedure:

1. Insert the batteries and power on the GPS.
2. Double Click on the Menu button.
3. For Mark the way point go to the setup.
4. Move to tracks. In track select-(record, show on map, more often).
5. Double click on back button.
6. Go to the track manager in main menu.
7. Select current track.
8. Click on clear current track and click on yes.
9. Now go to way point manager and select created way point and click go button.
10. Go to the area calculation by double clicking menu button.
11. Click start.
12. Walk around the perimeter of plot/area you to calculate.
13. When you stop click on calculate.
14. Save track and change into desired which you want.
15. After calculating the area show plot on the map.

Observation:

Area of Civil Department

Traverse of Civil Department

Precautions:

1. To start GPS power button should be pressed for 1 to 2 seconds
2. To change brightness level press the power button once.
3. Before starting Area Calculation, current track must be deleted by going to the Track manager option.
4. Before saving area details of farmer must be saved in note box.