Cess Ppt-nav Sat (Timed)

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NavigationSatellite

Prepared by:

Bagro, Princess Joy M.

Pilapil, Katherine Claire B.

NavigationSatelliteNavigationSatellite


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Navigation Satellite

Bagro, Princess Joy M.


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Contents

A. Fundamentals of Satellite

1. History

2. Types and Applications3. Physics and Major Components

4. Satellite Orbits

5. Energy and Launching


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SATELLITE

A Satellite is a celestial body that orbits

around a planet. Ex. Moon (astronomical )

A satellite is a space vehicle launched byhumans and orbits around the Earth or other

celestial body (aerospace)


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SATELLITE NAVIGATION

Satellite navigation is the means of

guiding an aerospace vehicle to its

destination using a system of satellitesthat provides location information.


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HISTORY


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HISTORY

1858

First Balloon-

View Photo byGaspard-Felix

Tournachon


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1846

First Space-View

Photo (V2

Rocket)


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First passive satellite

(1954)


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1957

Sputnik 1firstactive satellite by

Russia (21 days)


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1957- Explorer 1by U.S. (5 months)


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1958- SCORE- Chatterbox- firstvoice communications from space.

58 pre-coded Christmas messageof President Eisenhower. 150 lbswith on board tape recorder


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1960- Echo- made by

NASA and BellTelephone Lab, Firsttransatlantictransmission.

-100 ft diameter


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1960 Courier- by

Department of Defense-first tranponder- typesatellite


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1962- Telstar 1-AT&T-first activesatellite to

simulataneouslyreceive andtransmit radiosignals


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1963-Syncom 1-first attempt toplace ageosynchronoussatellite into orbit-Syncom 2 and 3

were launchedsuccessfully.-Syncom 3broadcast the 1964

Olympic Games inTokyo.


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1965-Intelsat 1Early bird

-first commercialtelecommunicationssatellite


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Intelsat II Intelsat III Intelsat IV

Launched between 1966 and 1987-has a capacity up to 80,000 voicechannels


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1966-Molniya/Molnia/Lightning-launched by Soviet Union-domestic satellite (Domsat)


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Anik E1 Anik A3

1972-Anik little brother-launched by Canada,Canadas first commercial

satellite


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1974-WestarLaunched byRCA


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TYPES OF SATELLITES


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Types of Satellites

1. Communication Satellite

2. Navigation Satellite

3. Weather Satellite4. Military Satellite

5. Scientific Satellite


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Communication Satellite


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Navigation Satellite


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Weather Satellite


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Military Satellite


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Scientific Satellite


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ANATOMY AND

FUNCTIONS


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BASIC ANATOMY OF SATELLITE


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SATELLITE ORBITS


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Polar Orbit Inclined Orbit Equatorial Orbit

SATELLITE ORBITAL PATTERNS


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Satellite ElevationCategories:

1.LEO: 1GHz-2.5Ghz, (480 mi.)

2.MEO: 1.2Ghz-1.66Ghz (bet. 6kmi. and 12k mi)

3.GEO: 2Ghz-18Ghz (22,300mi)


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ENERGY AND LAUNCHING


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Matthew 7:7-8

Ask and it will be given to you; seek and youwill find; knock and the door will be opened to

you. For everyone who asks receives; he who

seeks finds; and to him who knocks, the door

will be opened.


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B. NAVSTAR HISTORY

C. GLONASS

D. GALILEO

E. FUTURE OF SATELLILTES


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Global Satellite Navigation

Systems

Pilapil, Katherine Claire B.


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GLOBAL SATELLITE NAVIGATION SYSTEMS

NAVSTAR GPS

USA

GLONASS

Russians

GALILEO

Europeans


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NAVSTAR


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NAVIgational

System using

Timing And

Ranging

Global

Positioning

System

The United States

Global Positioning Satellite System


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GPS Segments


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Space Segment

24 Satellites

6 planes

20, 200km altitude

12 hrs orbit time


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Slide 45

Control Segment

Master Control StationMonitor StationGround Antenna

ColoradoSprings

Hawaii AscensionIslands

DiegoGarcia

Kwajalein


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User Segment


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GPS Operation


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GPS Applications

Five main categories of use

Location

Navigation

Timing

Mapping

Tracking


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GLONASS


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GLObal'naya

NAvigatsionnaya

SputnikovayaSistema

Russias

Navigation System

GLObal

NAvigation

SatelliteSystem


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GLONASS

27 KOSMOSsatellites

3 planes

Orbit the earthonce every 11hoursand 15 minutes onthree orbital planes

separated by 120


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Ground Control Segment

Located within former Soviet Union territory

Ground Control Center and Time Standards : Located in Moscow

Telemetry and tracking stations Located in St. Petersburg, Ternopol, Eniseisk,

Komsomolsk-na-Amure.


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GALILEO


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Europes

Navigation System


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Galileo

Joint venture of European Space Agency (ESA)

and European Union (EU)

Estimated cost of 3.2 billion euros


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Galileo Technology

2 aspects of Galileo:

Space Segment

Ground Segment


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Space Segment

Contains a total of

30 satellites

Satellites are in 3

different planes Altitude = 23,222

km

Satellites are inMedium Earth Orbit

(MEO)


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Ground Segment

2 Control Stations

Satellite control

Mission control

[


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Comparison of Systems

System CountryOrbital height &

period

Number of

satellites Status

GPS United States 20,200 km, 12.0h 24 operational

GLONASS Russia 19,100 km, 11.3h 27operational with

restrictions

Galileo European Union 23,222 km, 14.1h 30 in preparation


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Thank you!.

1986-(SPOT) Satellite Pour


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1986-(SPOT) Satellite Pour

IObservation de la Torre


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1999-Terra


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2000- IKONOS


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2010

YaoGan

Weixing-10

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