This page is thought as a tutorial for the DORIS analysts, but it can also help the visitors to discover the DORIS system in addition to the DORIS dedicated site.
IDS data structure and formats
General
- How does DORIS work?
- IDS documentation: bibliography , meeting presentations, Central Bureau , Governing Board (meeting minutes, activity reports...), Analysis Coordination
The DORIS system
- DORIS system events: satellites, instruments, satellite control center, SSALTO (control and data processing center), ...
Space segment
- Modelling of the DORIS instruments (description of measurement types; ground, propagation and onboard instrument models):
1G (Spot-2, -3, -4, Topex) and 2G (Envisat), 2GM (Spot-5, Jason-1) - Macromodels: DORIS satellites models implemented in POE processing
Jason-1 postlaunch satellite characteristics for POD activities - Attitude: Jason-1, Jason-2, Envisat, Topex
- Maneuvers: Jason-1, Jason-2, Envisat, Topex, Spot2, Spot3, Spot4, Spot5, Cryosat-2, HY-2A, description file.
ESA's page for Envisat - Mass and gravity center history: Jason-1, Jason-2, Envisat, Topex, Spot2, Spot3, Spot4, Spot5, Cryosat-2, HY-2A
- Jason-1 SAA corrective model
- Jason-2 satellite geometry
- Cryosat-2 precise orbit context; Cryosat-2 characteristics for DORIS calibration and POD processing
- The DORIS constellation: COSPAR numbers, Launch and Orbital information
- Quaternions: Jason1 (CDDIS, IGN), Jason2 (CDDIS, IGN), documentation, Cryosat2 (TU Delft) description
Ground segment
- The DORIS network
- Modelling of the ground beacons and ground antennas: see the document Modelling of the DORIS instruments (1G and 2G)
- Antenna types - Examples of the two types of antennas: Galapagos (Alcatel), Santa Cruz (Starec)
- Radio-frequency characteristics of the DORIS beacon
- Frequency shift mode of the 3rd generation beacon
- Interface Specification Between the DORIS Network beacons and the onboard instrument (extract)
- System requirements for management of the DORIS station network
Stations
- Site logs
- DOMES Number the IERS/TRF station naming system. See the IDS FAQ
- Colocated sites with GPS, SLR, VLBI (ITRF map) and tide gauges (-> 2005 deployment map)
- Station performance history
- Station frequency shift
- Station events (readme)
- Station breaks (to be updated -last update 2005.10.06)
- Earthquakes
- Local ties
- Stations history in order of station names, DORIS Mails (information taken mainly from the DorisMails, and in part from the sitelogs)
Observations
- DORIS data export format description
- Formats: DORIS 1.0 (before January 2002), DORIS 2.1, DORIS 2.2 (since June 2008), RINEX/DORIS
- CDDIS catalogs of files: All satellites - Spot2 - Spot3 - Spot4 - Spot5 - Topex/Poseidon - Jason-1 - Jason-2 - Envisat
- Description of the CNES/SOD preprocessing for the DORIS data export formats (June 2002).
- Description of CNES/SOD POE processing
- Detailed standards of the CNES/SOD POD configuration for the DORIS satellites
- Summary of the GDRB and GDRC configurations applied to Jason and Envisat CNES/SOD POD
- Summary of the GDRD configuration applied to CNES/SOD POD
- Arcs/cycles descriptions, maneuvers for SPOT2, SPOT4, SPOT5, TOPEX, JASON and ENVISAT.
Analysis: models
- IERS Conventions: reference systems and frames, astronomical and geophysical models
Conventions updates, Conventions 2010, Conventions 2003 - Gravity field: IERS/GGFC Special Bureau for Gravity/Geocenter
- Gravity field: GRIM5 website at GFZ Potsdam
- Gravity field: GRACE websites at GFZ Potsdam and CSR Austin
- Gravity field: EIGEN-GL04S and other GRGS products derived from GRACE data at BGI
- Local corrections: IERS/GGFC Special Bureau for Loading (click No 21).
- Earth Orientation Parameters at IERS EOP product center
- ITRF solutions: ITRF2008, ITRF2005, ITRF2000, and others
- DPOD2000: DORIS coordinates based on ITRF2000 for POD - Available at CDDIS and IGN
- DPOD2005: DORIS coordinates based on ITRF2005 for POD - Available at IPGP
- DPOD2008: DORIS coordinates based on ITRF2008 for POD - Available at IPGP
- IDS recommendations for ITRF2004 (also available here): specific document for Combination Centers describing major DORIS-station related problems (November 2005) - Annexes
Analysis Centers
- Analysis summary blank form
- Analysis strategy summaries
The products and their availability
- Orbits: sp1 format, sp3 format; more details in NOAA Technical Report NOS 113 NGS 46 (full document - 22 Mb, extract)
- SINEX format
- Time series of the Earth Orientation Parameters ( EOP) - eop format
- Time series of station coordinates - STCD format
- Time series of coordinates of the TRF origin (geocenter) - geocenter format
- Ionosphere - iono format
- What kind of product and where to find them? See IDS data structure and formats
Contact: Analysis Coordinator
