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FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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Reference Frame in Practice Kobe, Japan, 29-30 July 2017
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar
Sponsors:
GEODETIC REFERENCE FRAME IN BANGLADESH
Ganesh Chandra Roy Assistant Director (Survey) & Nayon Chandra sarker Assistant Director (Survey) Survey of Bangladesh
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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Survey of Bangladesh (SOB) being the national mapping organization is responsible to maintain the National Geodetic Network and its reference frame
The old geodetic network of Bangladesh was established in 1916 by triangulation
Current geodetic network of the country was established by Global Positioning System (GPS) during 1992-1994 and the reference frame was ITRF 1992
BACKGROUND
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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ESTABLISHMENT OF REFERENCE POINT IN ITRF 1992
Esta
blis
he
d:
19
94
R
ef. F
ram
e: I
TRF1
99
2
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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1st Order Control Points: 260
2nd Order Control Points: 817
Total Control Points: 1007
CONTROL POINTS IN ITRF 1992
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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Number of Stations: 05
Observation Done: 2006
(APRGP GNSS Campaign)
Ref. Frame: ITRF2000
CONTROL POINTS IN ITRF 2000
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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Number of Stations: 06
Established: 2011
Ref. Frame: ITRF2008
ESTABLISHMENT OF REFERENCE POINTS IN ITRF 2008
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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Number of Control Points: 839
CONTROL POINTS IN ITRF 2008
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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1st Order Benchmarks: 662
2nd Order Benchmarks : 1567
Total Benchmarks : 2229
VERTICAL REFERENCE FRAME
Chittagong
Dhaka
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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Established: 1993
MSL (1993-1994) = 3.486m
MSL (1994-2012) = 3.478m
MSL (1995-1995) = 3.485m
TIDAL OBSERVATION STATION
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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FUTURE PLAN
To establish more GNSS CORS all over the country
To convert all control points into ITRF 2014
To established more tidal observation stations
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar Reference Frame in Practice Kobe, Japan
29-30 July 2017
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Reference Frame in Practice Kobe, Japan, 29-30 July 2017
FIG/IAG/UN-GGIM-AP/ICG/GSI/JFS Technical Seminar
Sponsors:
THANK YOU