international gnss service(igs) real-time service · international gnss service(igs) real-time...
TRANSCRIPT
![Page 1: International GNSS Service(IGS) Real-Time Service · International GNSS Service(IGS) Real-Time Service Mark Caissy, Ken MacLeod, Mike Schmidt (NRCan), Loukis Agrotis (ESA), ... Nashville,](https://reader030.vdocuments.mx/reader030/viewer/2022041112/5f166a1f5653a96cab4946b9/html5/thumbnails/1.jpg)
CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
International GNSS Service(IGS) Real-Time
Service
Mark Caissy, Ken MacLeod, Mike Schmidt (NRCan), Loukis Agrotis (ESA),
Steven Fisher (IGS-CB) and Georg Weber (BKG)
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
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• Introduction to the IGS Real-Time Service (RTS)
• Description of the data collection, computation and correction distribution environment
• Accuracy of the products
• How to access the RT Corrections and Station Data
• Sample RT-PPP Applications
• Future Plans
• Summary
Outline
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
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• International effort with over 25 organizations contributing.
Station Operations, Data Centres, Analysis Centres,
Combination Centres, Analysis Coordination, Caster Operation
…
IGS Real Time Service
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
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• Large global network 150+ stations
• Robust data collection, analysis and combination methods
• Real-time orbits are accurate to several cm and clocks are sub-
nanosecond
• Open station data and correction policy - registration required
(indicates that there are no service guarantees) Register at:
http://rts.igs.org
• GNSS data and corrections are in RTCM formats
• Supports RT-PPP applications
IGS Real Time Service (RTS)
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
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IGS Real-Time Global Network
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
IGS RTS Data Collection Architecture
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
IGS RTS Correction Distribution Architecture
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
• 10 Analysis Centres:
IGS RT Analysis Centres
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
• RTS launched 1 April 2013
Note:
– IGS01/IGC01 (GPS-only) and IGS02 (GPS-only) streams now fully configured and running on 2 or more servers
– IGS03 (GPS+GLONASS) “experimental” stream
– RTCM3EPH streams (GPS, GLONASS, Galileo)
– Reference is ITRF2008
– Stream access via BKG NTRIP Client (BNC) or RTKLIB
– Register for user access: rts.igs.org
Products:
IGS Real-Time Products
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
IGS RTS Product Performance
• Satellite orbit RMS (compared to IGS Rapid)
Average rms: 30 mm
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
IGS RTS Product Performance
Average Sigma: 0.13ns (~38mm)
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
IGS RTS Product Performance
IGS01
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
IGS RTS Product Performance
IGS02
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
IGS RTS Product Performance
Note: results from IBGE Brazil using BNC with RBMC station data
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Nashville, TN, September 16, 2013
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Useful Links to IGS RTS Information
• IGS Real-Time Service home page: http://rts.igs.org
• Primary RTIGS Data Caster: http://www.igs-ip.net
• RTS Station Monitoring:
• http://igs.bkg.bund.de/ntrip/PPP
• http://igs.bkg.bund.de/ntrip/workload
• http://www.rtigs.net/nrcan_monitor.php
• http://www.igs.oma.be/real_time
• http://www.igs.oma.be/highrate
• NTRIP and RT-PPP Software :
• http://www.rtklib.com
• http://igs.bkg.bund.de/ntrip/download
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Nashville, TN, September 16, 2013
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• Supports : GIS, Mapping and Surveying
applications that require 10cm 2DRMS
positioning
• Enables real time precise point positioning
(PPP) at global scales for scientific and natural
hazard detection applications
– Enables real-time troposphere and space
weather monitoring
– Enables rapid detection, location, and
characterization of hazardous events such
as earthquakes and tsunamis
• GNSS multi constellation performance
monitoring
• Supports Global Geodetic Observing System
(GGOS)
Sample IGS RTS Applications
APF
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Nashville, TN, September 16, 2013
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Prototype Real-time Natural Hazards GNSS
Network and Infrastructure
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Nashville, TN, September 16, 2013
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NRCan Natural Hazard Application
• Natural Resources Canada, Western Deformation Array
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Nashville, TN, September 16, 2013
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Prototype Natural Hazards User Console
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
Transition
High quality GPS/GLONASS
network and products
High quality multi-GNSS
network and products
2012 2017 2013 2014 2015 2016
MGEX
Multi-GNSS Pilot Service • Build-up and share multi-GNSS know-how
• Build-up network and provide access to
multi-GNSS data
• Develop prototype multi-GNSS products
• Develop recommendations and standards
• Engage with receiver manufacturers and
system providers
• RTS GPS PP
• Incorporate BeiDou, Galileo, and QZSS into
standard IGS processing
• Issue combined and quality controlled multi-
GNSS IGS orbit, clock and iono products
• Regular multi-GNSS intersystem,
interfrequency and intersignal bias estimation
• Link GNSS system times with IGS system
time
• Embed new GNSSs into IGS/IAG reference
frames
• RTS for multi-GNSS
• Merge legacy
and multi-
GNSS networks
• Achieve
interoperability
of legacy and
multi-GNSS
products and
services
• RTS GPS+
GLONASS
IGS Multi-GNSS Plan
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CGSIC Workshop: Mapping, Surveying and Geosciences,
Nashville, TN, September 16, 2013
Summary
• RTS is now officially launched providing open access through a registration process: http://rts.igs.org
• The RTS is based on a robust architecture with sufficient built in redundancy
• RTS products are accurate and precise as indicated by the quality assurance indicators
• The RTS is targeting public good applications including the GGOS natural hazards theme
• Demonstrated interest since launch is very encouraging
• Full support for GLONASS is being worked on and support for all GNSS constellations is planned