Object: Introduction to GPS, base camp software and Google Earth:
Introduction:
GPS:
- The Global Positioning System (GPS), is a satellite-based radio navigation system owned by the United States government and operated by the United States Air Force.
- The GPS project was launched by the U.S. Department of Defense in 1973 for use by the United States military and became fully operational in 1995 and was allowed for civilian use in the 1980s.
Definition:
- GPS is a global navigation satellite system that provides geolocation and time information to a GPS receiver anywhere or near the Earth.
- OR GPS is a system of satellites, computers, and receivers that is able to determine the latitude and longitude of a receiver on Earth by calculating the time difference for signals from different satellites to reach the receiver.
GPS is of two types one is Etrex 10 Garmin and second is Spectra Precision.
Fig: Etrex 10 Garmin
Fig: Spectra Precision Device
Basecamp Software:
- BASECAMP is software from GARMIN for viewing maps, waypoints, routes, and tracks and transferring them to form a Garmin GPSS device.
Google Earth:
- Google Earth is a computer program that renders a 3D representation of Earth based on satellite imagery.
- This program maps the earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles.
Fig: 13.3 Google Earth
