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GPSGLOBAL POSITIONING SYSTEM
PRESENTED BY:GROUP -8
MAINAK MAJUMDAR(48)CHETAN SARPAL:(9)MOHIT JINDAL
RUDRANSHMOHIT JINDAL
RAVI PRATAP(58)UMESH
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INTRODUCTION
Invented by u.s department of defense(DOD) and
ivan getting.
satellite navigation system designed for
navigation.Man made star.
Known as NAVSTAR(Navigation system for timing
and ranging.
Finding its way into car,boats,planes,constructionequipments,farm machinery and even laptop
computers.
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HISTORY
1973 : TIMATION of the U.S airforce and 621B of theU.S navy.
1974-1979: system test.
1977: transmitters are installed on the earths
surface called pseudolities.
1978 1985:11 block satellite launched in this
period.
1983: comes in use for civillian.
1986:accident of the space shuttlechallenger
means a drawback for the GPS program.
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CONTI
In 1989:the first block II satellite was installed and
activated.
1990-1991:temporal deactivation of the selectiveavailability(SA).
17.07.1995:Full operational capability is announced.
20.03.2004:launching of the 50st GPS satellite.
25.09.2005:launch of the first IIR M GPS satellite.
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Why GPS ?
Location - Determine a basic position
Navigation - Getting from one location to
another Tracking-Monitoring the movement of
people and things
Mapping-Creating maps
Timing-Providing precise timing
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How Does GPS Work?
METHOD OF OPERATION.
Satellites transmit signals to equipments on the
ground.
GPS receivers passively receive satellite signals,
they do not transmit.
Each GPS satellite transmits data that indicates itslocation and the current time.
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GPS signals move at the speed of light.
By capturing signals from three or moresatellites exact location is determined.
4th satellite is used for time accuracy.
Each GPS satellite has atomic clocks on board.
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GPS Users Military (DoD) civilian uses now exceed military Space Travel (NASA)
Survey, Mapping & GIS Resource and Asset Management
Environmental & ForestryMining, Oil & Gas
Agriculture Utilities & Construction Transportation
Vehicle Security (Fleet Management) Public Safety
Emergency Management, Search & RescueCrime Prevention
Timing & Synchronization(banking, telecommunications)
LBS - Location Based Services
(cell phones, wireless web)
Solar GPS Cattle Herder
(noise or electric shock)
Precision Construction
& Agriculture
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t er Uses
On Board Vehicle Navigation Systems Vehicle Tracking Systems (beyond fleet management)
- Rental Car Companies- GPS-measured Tolls variable taxation (UK)- Family/Friends vehicle location- Crime: Stolen cars; Criminal tracking- Accident notification systems
Child/Senior/Pet Safety Tracking Systems Parole, Probation Tacking Systems Package/Asset Tracking Systems Bridge structural monitoring Sports and Broadcasting (Skiers, NASCAR, Sailboat races) Golf Courses (distance to next hole) Geo-Caching (GPS scavenger/treasure hunts)
Parole Anklet
Car Navigation
Golf Courses
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GPS service providerin
India Different companies provide GPS services for
different purposes
Aadhithya Systems- Sells fishing vessel trackingsystems (Marine Tracking) in India. IntroducedIndia's first Fishing Vessel Monitoring Systems(Through Satellite) AVMS 800D+
Acryon Engineering & Instruments: GSM/GPS
based digital fuel indicators for vehicle trackingsystems with 0v to 5v linear output or RS-232interface avaiable.It can be used forbuses,trucks,MMVs,Gen sets etc
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Contd..
Bharti Communications- GPS/GIS mapping
through GPS PDA for Customize mapping
software Other companies:
BioEnable Technologies Private
Limited,CGIS,Connex-tel solution etc.
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P n Mo e p onesMobile Phones
- iPhone
- gPhone- Blackberry- etc.
Traffic/Routing/directionsYellowpages (Starbucks, car repair)Friend Finder
Geotagged photosAstronomyGolfFind lost (or stolen) phone
More GPS units in smart phones
than all other GPS receivers
combined
G-Park(car finder)
Here I Am(connect with other users,
friends in your contacts)
Not strictlyGPS (iPhone)GPS (satellites, if signal is available)Cell tower triangulation and/or signal strength+ built in digital compass
GPS
Simulators
Weather
Virtual Sky
iWant
Transit
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ome spec a app cta ons
Tracking Systems- Pet Collar- Teddy Bears, Backpacks- Implants
Nano GPS tracker
panic button, for people or nativity scenes
Xega injectable GPS chip
($4,000 + $350/month)
Mexico (requires additionalwearable accessory)
GTX Ambulator
(Alzheimers GPS Shoes)
(tracking and geo-fence)
Garmin Astro Pet Tracker
(communicates with base unit)
Pet collars
Web or cell connection
Virtual/Geo-Fence
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GPS in Agriculture
Guidance
Point Guidance
Swath Guidance Control
Variable rate application
Variable depth tillage
Variable irrigation
Mapping Soil properties
Chemical Application
Chemical Prescriptions Tillage Maps
Yield Mapping
Pest Mapping
Topographic Maps
Planting Maps
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GPS-aided Semi-Automatic
Soil Sampler
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GPS Guided Missile
Potential target areas are mapped out ahead oftime, identifying potential targets by their location(height above sea level, latitude, and longitude) withrespect to the GPS satellite system. When an attackraid is planned, the GPS guided missile isprogrammed with the targets GPS coordinates andthe topology of the region surrounding the target.When the missile is then launched, it reads itscurrent GPS position and plots a course to the
target. Additional software onboard the missileenable the missile to follow the terrain in itsapproach to the target. This makes it difficult to spotthe missile on radar or to intercept the missile by anyother means.
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GPS Guided Missile
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HEART FAILURE ALERT SYSTEM
USING RFID AND GPS The Heart Failure Alert
System consists of:
[1]RFID Tag (Implanted
into Human body). [2]RFID Reader (Placed
in a Cellular Phone).
[3]Global Positioning
Satellite System andlocating and trackingstation
[4]Mobile Rescue Units.
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Limitationof GPS
Poor GPS signal reception
Loss of GPS signal integrityLimited positioning
accuracy
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The FutureDual/Tri systems (using GPS & Galileo, GLONASS, etc)
Hybrid/Augmented systems(also using cell towers, TV signals, RFID, Wi-Fi, etc.)
LBS (Location Based Services) advertising, via cell phone,mobile ads (busses, taxis), service location/lookup, etc.
Additional Satellites
Additional Ground support (augmentation)
Components the size of a credit card (for under $10.00)
Better clocks in receivers (only need 3 satellites)
Dual (or Tri) Frequency GPS receivers
Track L1and
L2 (& L5?) satellite signals for greater accuracyEnhanced GPS Ability to use low-quality satellite data
(typically filtered out by masks) for estimating positionsunder canopy, inside buildings/cars, etc.
Upgraded satellites sending 3 signals (instead of 1) from eachsatellite, using slightly different frequencies (bettereliminate errors)