survey vessel valentÝna ii
DESCRIPTION
Survey Vessel VALENTÝNA II. Jiří Pšenička [email protected]. Aleš Rucký [email protected]. Program. Participants in the Project GPS usage in the Project of Povodí Vltavy First Tests in 1998 Creation of Maps Verification of GPS Accuracy aboard the Valentýna - PowerPoint PPT PresentationTRANSCRIPT
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Survey VesselSurvey VesselVALENTÝNA II.VALENTÝNA II.
Aleš Rucký[email protected]
Jiří Pšenič[email protected]
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• Participants in the Project
• GPS usage in the Project of Povodí Vltavy• First Tests in 1998
• Creation of Maps
• Verification of GPS Accuracy aboard the Valentýna
• Activation of the New System
• Used Equipment
• Questions and Answers
ProgramProgram
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Participants in the ProjectParticipants in the ProjectPovodí Vltavy a.s., PrahaOy Meridata Finland Ltd.RSK s.r.o., PrahaGEOVAP s.r.o., PardubiceHydroinform a.s., PrahaRACOM s.r.o., Nové Město na Mor.Arcus Geo s.r.o., Hradec Královéand others
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GEOVAP, spol. s r.o.GEOVAP, spol. s r.o.
Head Office: Pardubicehttp://www.geovap.czBranch Offices:Hradec Král.
KolínČ. TřebováBrno
Founded in 1991Today about 100 Employees
Main Business Activities: Geodesy, Programming, System Integration of GIS, Industrial Automation, Sales and Services.
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Modernization of the VesselModernization of the Vessel
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Port of MělníkPort of Mělník
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First TestsFirst Tests
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Creation of Map (Chart)Creation of Map (Chart)
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Photogrammetry Data Photogrammetry Data ProcessingProcessing
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RTK Accuracy VerificationRTK Accuracy Verification
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Application of Automatic Application of Automatic Total Station in SD a.s.Total Station in SD a.s.
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Bird’s-eye View of the Testing Bird’s-eye View of the Testing SiteSite
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RTK Accuracy VerificationRTK Accuracy VerificationVAL3_3
-1014350
-1014300
-1014250
-1014200
-1014150
-1014100
-1014050
-1014000
-1013950
-1013900
-1013850
-735750 -735700 -735650 -735600 -735550 -735500 -735450 -735400
VAL3_3
Check Points1 2
3
4
5
Trajectory VAL3_3 w ith the local check points No. 1 - 5
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RTK Accuracy VerificationRTK Accuracy Verification
-1014380
-1014360
-1014340
-1014320
-1014300
-1014280
-1014260
-1014240
-1014220
-1014200
-735550 -735530 -735510 -735490 -735470 -735450 -735430 -735410
GG2
TCA2
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RTK Accuracy VerificationRTK Accuracy Verification
-1014400
-1014300
-1014200
-1014100
-1014000
-1013900
-1013800
-735750 -735700 -735650 -735600 -735550 -735500 -735450
GG1
TCA1
Comparison of trajectories VAL3_3 measured by GG24 (GG1) a total station (TCA1)
50 m
Max. difference (GG and tot. station) in position < 18 cm
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$GPGGA,092237.00,5021.324867,N,01427.854611,E,3,12,00.9,00158.599,M,0044.83,M,010,0000*5F
$GPGST,092237.00,00.127,,,,00.080,00.077,00.178*76
$GPGGA,101815.00,5018.595050,N,01429.709322,E,1,10,01.2,00201.962,M,0044.85,M,999,0000*5B
$GPGST,101815.00,14.383,,,,15.493,06.198,17.427*73
CPD Corrected Positions:CPD Corrected Positions:
After the Loss of Radio Link:After the Loss of Radio Link:
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Activation of New SystemActivation of New System
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• ASHTECH GG Surveyor (with RTK Option)• Radiomodem RACOM Morse MR25• 51 Echosounders (Transducers)• Gyroscope Rayethon Stnd 20 • Inclinometer• Limnigraphs (1-2 between two Locks)• Main Supplier Oy Meridata Finland Ltd• Computers and Plotter HP
Used EquipmentUsed Equipment
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GG_Surveyor
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River WildlifeRiver Wildlife
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River WildlifeRiver Wildlife
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The Vltava BeautyThe Vltava Beauty
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Questions and AnswersQuestions and Answers
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Teamwork Is the WordTeamwork Is the Word
www.geovap.cz www.ashtech.com