Satellite Orbits (GNSS) Value Stream
F1 · Global Multi-GNSS & DORIS Tracking
EGV Level: Basis
has external input
BeiDou
DORIS tracking
GLONASS
GPS
Galileo
GNSS tracking sites
Capabilities (avg maturity)
DORIS Data Acquisition and Storage4.0
Equipment Calibration and Maintenance3.3
GNSS Data Acquisition and Storage3.5
Ground-Based Asset Management2.5
Weakest: Ground-Based Asset Management (2.5)
F2 · First-Mile Telemetry & Station Ingestion
EGV Level: Basis → Level 1
Station push telemetry
Operational Data Centres
Capabilities (avg maturity)
Network Operations2.0
Weakest: Network Operations (2.0)
F3 · Regional & Global Archiving & Equalization
EGV Level: Level 1
Regional Data Centres
Global Data Centres ×3
Equalised RINEX archive
Capabilities (avg maturity)
Data Preservation2.0
Data Quality Management2.0
Metadata Management2.0
Weakest: Data Preservation (2.0)
F4 · Technique Analysis Centre Processing
EGV Level: Level 1 → 2 (intermediate)
Processing software
Analysis Centres — 11 named
Individual orbit & clock solutions
Capabilities (avg maturity)
Geodetic Software and Tools2.0
GNSS Data Processing and Analysis3.8
Knowledge Management1.3
Weakest: Knowledge Management (1.3)
BOTTLENECK
F5 · Multi-Centre Orbit & Clock Combination (ACC/SPOCC)
EGV Level: Level 2 EGV
ACC
SPOCC engine
Combined orbit products
Capabilities (avg maturity)
Disaster Recovery and Supply Chain Continuity1.7
Geodetic Data Products (EOP Clocks Orbits Station Positions Gravity Models))2.8
Knowledge Management1.3
Performance Management2.0
Risk Management1.0
Weakest: Risk Management (1.0)
F6 · Orbit Validation & Independent SLR Quality Assurance
EGV Level: Level 2 (pre-publication)
SLR tracking of GNSS satellites
Radial orbit-error check
Capabilities (avg maturity)
Regulatory Compliance3.0
SLR Data Acquisition and Storage3.0
Standards Development and Promotion3.0
Weakest: Regulatory Compliance (3.0)
F7 · Global Product Dissemination & Real-Time Streaming
EGV Level: Level 2 (validated)
IERS validation
IGS archive distribution
Real-time service (RTS)
End users + L3 pipelines
Capabilities (avg maturity)
Data Distribution2.0
Geodetic Services2.0
Weakest: Data Distribution (2.0)
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