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GPSGPS
PRESENTED BY:PRESENTED BY:
MD ABU SHAHAMMD ABU SHAHAM
10-MBA-1810-MBA-18
AMUMCAMUMC
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INTRODUCTION OF GPSINTRODUCTION OF GPS
GPS is a navigation and precise-positioning tool.
Orbiting navigational satellites.Orbiting navigational satellites.Transmit position and time data.Transmit position and time data.Developed by DoD in 1973.Developed by DoD in 1973.GPS uses for location,GPS uses for location,
navigation,tracking,navigation,tracking,
Mapping and timing.Mapping and timing.
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The GPS ConstellationThe GPS Constellation
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HOW GPS WORKS?HOW GPS WORKS?
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GPSGPS SEGMENTSSEGMENTS
GPS systems are made up of 3 segmentsGPS systems are made up of 3 segments
Space Segment (SS)Space Segment (SS)
Control Segment (CS)Control Segment (CS)
User Segment (US)User Segment (US)
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1 - Space Segment1 - Space Segment
- contains 30 GPS satellites- contains 30 GPS satellites
- orbiting at an altitude of approximately - orbiting at an altitude of approximately 20,200 kilometers20,200 kilometers
- each satellite makes two complete orbits in - each satellite makes two complete orbits in 12 hours( twice a day)12 hours( twice a day)
- orbits are designed so that at the very - orbits are designed so that at the very least, six satellites are always within line of least, six satellites are always within line of sight from any location on the planetsight from any location on the planet
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Continues…Continues…
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2 - Control Segment2 - Control Segment The CS consists of 3 entities:The CS consists of 3 entities:
Master Control StationMaster Control Station- located Falcon Air Force Base in Colorado , is - located Falcon Air Force Base in Colorado , is
responsible for overall management of the responsible for overall management of the remote monitoring and transmission .remote monitoring and transmission .
Monitor StationsMonitor Stations- Six monitor stations are located world wide.- Six monitor stations are located world wide.- They checks the exact altitude, position, speed, - They checks the exact altitude, position, speed,
and overall health of the orbiting satellites.and overall health of the orbiting satellites.Ground AntennasGround Antennas-they transmit correction information to individual -they transmit correction information to individual
satellites.satellites.
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3 - User Segment3 - User Segment
-The user's GPS receiver is the user -The user's GPS receiver is the user segment of the GPS systemsegment of the GPS system
-They can also include a display for showing -They can also include a display for showing location and speed information to the user.location and speed information to the user.
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GPS Communication and ControlGPS Communication and Control
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What is happening?What is happening?
GPS satellite circle the earth twice a day in a very GPS satellite circle the earth twice a day in a very precise orbit and transmit signal information to precise orbit and transmit signal information to earth.GPS receivers take this information and use earth.GPS receivers take this information and use triangulation to calculate the user’s exact location. triangulation to calculate the user’s exact location. Essentially , the GPS receivers compares the Essentially , the GPS receivers compares the time a signal was transmitted by satellite with the time a signal was transmitted by satellite with the time it was received. The time difference tell the time it was received. The time difference tell the GPS receiver how far away the satellite is. Now GPS receiver how far away the satellite is. Now with distance measurement from a few more with distance measurement from a few more satellites, the receiver can determine the user’s satellites, the receiver can determine the user’s position and display it on the unit’s electronic map.position and display it on the unit’s electronic map.
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APPLICATIONSAPPLICATIONS
OF OF
GPSGPS
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TRANSPORTATIONTRANSPORTATION
IT USES AIR,WATER ,SURFACE IT USES AIR,WATER ,SURFACE TRANSPORTATION.TRANSPORTATION.
TO FIND ROUTES.TO FIND ROUTES. IT ENABLES FIND EASY ROUTES.IT ENABLES FIND EASY ROUTES.TO FIND EXACT LOCATIONTO FIND EXACT LOCATION
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VEHICLESVEHICLES
TO TRACKINGTO TRACKING
FIND ROUTEFIND ROUTE
FIND LOCATIONFIND LOCATION
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MILITARYMILITARY
IN THE TIME OF WARIN THE TIME OF WARTO ATTACK ENEMIESTO ATTACK ENEMIESTO FIND BOARDERSTO FIND BOARDERS
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AGRICULTUREAGRICULTURE
SPRAYING PESTICIDESPRAYING PESTICIDE
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TOURISMTOURISM
TO FIND LOCATIONTO FIND LOCATIONFOR TREKKINGFOR TREKKINGFOR MOUNTAIN BIKERSFOR MOUNTAIN BIKERS
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WILDLIFEWILDLIFE
TO FIND WILDLIFE AND FOREST AREATO FIND WILDLIFE AND FOREST AREATO COUNTING WILD ANIMALSTO COUNTING WILD ANIMALS
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OTHER USESOTHER USES
SURVEYINGSURVEYINGMAPPINGMAPPING IDENTIFY NATIONAL BOARDERSIDENTIFY NATIONAL BOARDERS
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CONCLUSIONCONCLUSION
The technology of the Global Positioning The technology of the Global Positioning System is allowing for huge changes in System is allowing for huge changes in society. The applications using GPS are society. The applications using GPS are constantly growing. The cost of the receivers is constantly growing. The cost of the receivers is dropping while at the same time the accuracy dropping while at the same time the accuracy of the system is improving. This affects of the system is improving. This affects everyone with things such as faster Internet everyone with things such as faster Internet speed and safer plane landings.Even though speed and safer plane landings.Even though the system was originally developed for military the system was originally developed for military purposes and it is used to support a broad purposes and it is used to support a broad range of defense.range of defense.
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