“the global positioning system/gps is a constellation

8/14/2019 The Global Positioning System/GPS is a Constellation

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The Global Positioning System/GPS is aconstellation of 24 well-spaced satellites that orbit

the Earth 11,000 miles and make it possible forpeople with ground receivers to pinpoint theirgeographic location.


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History:

Originally established by the U.S. Department ofDefense , the first GPS satellite was launched in 1978.

The first 10 satellites (1978~1984) were called Block I.

President Ronald Reagan declassified the GPS system

From 1989 to 1993, 23 production satellites, called BlockII were launched.

The launch of the 24th satellite in 1994 completed thesystem.

Korean Airline flight 007 got lost over Soviet territoryand was shot down by Soviet fighters.


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GPS System Segments:

The satellite constellatio

n

The operational control segment (OCS)The user receiver equipment


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How GPS System Works:

The operational control segment (OCS) maintains thesatellites & tracks in space. The OCS monitors satellitehealth and signal integrity and maintains the orbitalconfiguration of the satellites.

Lastly, the user receiver equipment performs thenavigation, timing or other related functions (e.g.surveying).

The satellites in orbit provide the ranging signals anddata messages to the user equipment.


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Uses of GPS Technology

Location- determining 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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Application of GPS Technology:


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Car GPS System

exactly positions the car, then check it with amap like Google Earth.Alarm SMS sent to car

owner's mobile phoneand the center if the caris shocked, or car dooris opened, or engine isstarted, or the car'spower is cut offillegally.


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GPS for Motor bikers

user-friendly control,touch-screen panel


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Detachable Bicycle GPS System

State-of-the-art satellites in spacetracking your every terrestrial move

lets you know exactlyhow far you'vetravelled, how fast,how high, how low

and where you arenow!


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GPS Wrist

watch

Displays runnersspeed, distance,pace, time, laps in

large display

Charts yourroute as you runor walk, and can

point you backto start


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GPS Fish

Positioning

System

be attachedexternally or

implanted into fish.

allows the scientistto track the

migratory route ofthe fish through awhole year cycle


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A SLR camera

having GPS

unit

Gives instant andtruly detailed location

information for aphotographic image

allows automatic geo-

tagging of useful geo-data such as country,city, street and pointof interest


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AIRCRAFTtells the pilot wherethey are headed, howfar away they are from

the destination, as wellas the height of theplane


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GPS System in boats

Very specific informationrelated to the sea beds,

navigable channels andother useful maritimedata allows boat captainsto navigate safely.


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Large digital messageboards at train

stations will tell ridersexactly when the nexttrain will arrive at theplatform

Real Time Train Predictive

Arrival GPS System


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Buses that useGPS System:

The GPS coordinatesare beamed to thesmart stop whichannounces when thenext bus will arrive.


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GPS System to be Available in

Childrens Shoesset up alerts if the wearer of

the device wanders outsideor inside of a designated

area.

military troop tracking,elderly care, law

enforcement, personalexercise monitoring, andeven uses in sports training
http://images.google.com/imgres?imgurl=http://www.spyreview.co.uk/images/review/review_gps_shoe.jpg&imgrefurl=http://www.spyreview.co.uk/2007/03/30/gps-device-hidden-in-shoe/&usg=__UKgevbpkX142vbLPrq2-xW-cVsA=&h=258&w=375&sz=24&hl=en&start=1&um=1&tbnid=wuwvA6oqnErajM:&tbnh=84&tbnw=122&prev=/images%3Fq%3Dgps%2Bsystem%2Bshoes%26ndsp%3D20%26hl%3Den%26sa%3DN%26um%3D1


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GPS device can tag

your teenager

exactly pinpoints acarriers location through aglobal positioning systemaccessed by computer or

mobile phone.

size of a large matchbox


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A GPS device for

your dogs & pets

The system linked to aGPS-enabled collarfor your dog whichhelps us to locate it.


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Conclusion:GPSis now being used across the world, the list ofuses is only set by the requirements we can think ofapplying GPS, and we find it being used more andmore in our daily lives. So it would be extremely hardto perform many travel and industry tasks without it.

“the global positioning system/gps is a constellation

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