gagan called gps system of india or also called as satnav
TRANSCRIPT
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NAVIC
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CONTENTSINTRODUCTIONHISTORYSATNAVSINDIA’S SATNAVSGNSS SATNAV’SGPS SATNAV’SADVANTAGESDISADVANTAGESAPPLICATIONSREFRENCESQUERIES
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INTRODUCTION• NAVIGATION SATELLITE
IS GENERALLY KNOWN AS SATNAV .SATNAV MEANS USING PORTABLE RECEVIER PICKING UP THE SIGNALS FROM ORBITING SATELLITES. INDIA OWN GPS IS CALLED GAGAN OR NAVIC
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HISTORYTHE FIRST SATELLITE WHICH ENTERED
INTO SPACE IS SPUTINK ON 4 OCT 1957.GALILEO’S CONSTELLATION LEADS
TO INVENTION OF SATNAV’S
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DEVELOPMENTAS PART SATNAV PROJECT , ISRO OPENED A NEW SATNAV CENTER WITH IN THE CAMPUS OF DEEP SEA NETWORK AT BYALALU IN KARNATAKA ON 28 MAY 2013.
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SATNAV’STHE FIRST SATNAV WHICH ENTERED THE SPACE IS GIOVE-A ON 28 DEC,2005 .ON 2008 SECOND LAUNCHED IN TO ORBIT.INDIA LANUCHED IT’S FIRST SATNAV ON 12 JUNE 2013.
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INDIA’S SATNAV’S
IRNSS-1A - 12 JUNE 2013IRNSS-1B - 4 APRIL 2014IRNSS-1C - 10 NOV2014IRNSS-1D - 28 MAR2015IRNSS-1E - 20 JAN 2016IRNSS-1F - 10 MAR 2016IRNSS-1G - 28 APRIL 2016
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FEATURES OF SATNAV’SIRNSS USED TO PROVIDE REAL TIME POSITIONING.IT ALSO PROVIDES PNT SERVICES ,PSCC AND RSSA SERVICES.FREQUENCY ALLOCATION PROBLEMS ARE LESS.WORLD WIDE CONTINUES COVERAGE
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TYPESOF SATNAV’S SATNAV’S ARE CLASSIFIED IN TO TWO TYPES
THEY ARE:1.GNSS 2.GPS
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GNSS SATNAVHISTORY:
IN 2000,UN CONFERENCE ON EXPLORATION AND PEACEFUL USES OF OUTER SPACES(UNISPACE-III) ESTABLISHED GNSS.38 MEMBERS STATES AND 15 ORGANISATIONS ARE ACTIVELY PARTICIPATED IN IT.
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DEFINITIONGNSS: A SATNAV WITH GLOBAL COVERAGE MAY TERMED AS GNSS .GNSS IS PLACED AT AN ALTITUDE OF 20,000km FROM EARTH
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CLASSIFICATION OF GNSSGNSS ARE CLASSIFIED AS FOLLOWS AS:1.GNSS-1 WITH SATELLITE BASED AUGMENTATION SYSTEM2.GNSS-2 PROVIDED FOR CIVILIAN NAVIGATION 3.GROUND BASED AUGMENTATION SYSTEM(GBPS)4.DEPARTMENT OF TRANSPORTATION NATIONAL SERVICE
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DEVELOPMENT OF GNSS
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GPSGPS IS DEVOLPED BY UNITED STATES DEPARTMENT
OF DEFENCE.IT IS PROVIDED BY CONSELLTATION OF THE 24 TO 33 EARTH ORBIT SATELLITES.
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CONCEPT OF GPSCONCEPT INVOVLED
IN GPS IS TRIANGULATION.
IT PROVIDES THREE DIMENSIONAL SIGNALS
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SEGMENTS OF GPSTHERE ARE THREE SEGMENTS OF GPS:SPACE SEGMENTCONTROL SEGMENT USER SEGMENT
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SEGMENTS OF GPS• SPACE
SEGMENT: 24 SATELLITES
ROTATE IN CIRCULAR ORBITS.21 ARE FUNCTIONING AND 3 ARE ORBITL OPERATIONAL
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SEGMENTS OF GPS•CONTROL SEGMENT: IN THESE SATELLITES ARE MONITORED BY GPS MASTER CONTROL STATION
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SEGMENTS OF GPS
• USER SEGMENT:IT CONTAINS TWO
SERVICES STANDING POSITIONING SERVICE(SPS) AND PRECISE POSITIONING SERVICE(PPS)
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GPS ON ROADS
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DIMENSIONS OF GPS NAVIGAOR
HEIGHT:2.5”WIDTH:1.6”THIN:0.7”WEIGHT:50g
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COMPARISION OF GNSS AND GPS
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ADVANTAGES
SMALL AND PORTABLELONG BATTERY LIFESMS AND EMAIL ALERTSACCURACY IS MORE
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DISADVANTAGES
SIGNALS ARE LOW IN VILLAGES
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USES OF GPS• USEFUL FOR HANDICAPPED PERSONS• USEFUL FOR COPS• USEFUL FOR ASTRONAUTS
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APPLICATIONS OF SATNAV
ROADS AND FIELDSAIRWAYSMARINESMILTARY AND NAVY
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APPLICATIONS OF SATNAV
• ROADS AND FIELDSON ROADS TO LOCATE EXACT LOCATINSFARMERS USES GPS TO PRESICE AND ESTIMATE HARVESTATION
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APPLICATIONS OF SATNAV
• RAILWAY TRACKS : TO AVOID TRAINACCIDENTS GPSIS USED.
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APPLICATIONS OF SATNAV
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APPLICATIONS OF SATNAV
• AIRWAYS
SOME TIMES AT RESCUE OPERATION AIRCRAFTS WITH GPS IS NECESSARY
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APPLICATIONS OF SATNAV
SHIPS WITH GNSS IS TO FIND LOCATIN OF SPACES
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APPLICATIONS OF SATNAV
• MILTARY AND NAVY
SATNAV’S ARE USED TO FIND OUT THEARTS
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FUTURE SCOPE• In future we all see our mobile phones with IRNSS
receivers.
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CONCLUSION• SATNAV’S PLAYS VITAL ROLE IN THE
DEVELOPMENT OF INDIA.
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QUERIES
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THANK YOU