Survey Vessel VALENTÝNA II.
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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 Presentation
Transcript of Survey Vessel VALENTÝNA II.
Survey VesselSurvey VesselVALENTÝNA II.VALENTÝNA II.
Aleš Rucký[email protected]
Jiří Pšenič[email protected]
• 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
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
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.
Modernization of the VesselModernization of the Vessel
Port of MělníkPort of Mělník
First TestsFirst Tests
Creation of Map (Chart)Creation of Map (Chart)
Photogrammetry Data Photogrammetry Data ProcessingProcessing
RTK Accuracy VerificationRTK Accuracy Verification
Application of Automatic Application of Automatic Total Station in SD a.s.Total Station in SD a.s.
Bird’s-eye View of the Testing Bird’s-eye View of the Testing SiteSite
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
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
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
$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:
Activation of New SystemActivation of New System
• 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
GG_Surveyor
River WildlifeRiver Wildlife
River WildlifeRiver Wildlife
The Vltava BeautyThe Vltava Beauty
Questions and AnswersQuestions and Answers
Teamwork Is the WordTeamwork Is the Word
www.geovap.cz www.ashtech.com
