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Formats and Standards

IGS Formats and Standards

Format/Standard Information
SSR v1.0 The IGS SSR format is an open standard for dissemination of real-time products to support the IGS Real-Time Service and the wider community. The messages support multi-GNSS and include corrections for orbits, clocks, DCBs, phase-biases and ionospheric delays. Extensions to also cover satellite attitude, phase center offsets and variations and group delay variations are planned in the near future. The goal is to create a self-contained and scalable standard for a wide range of real-time applications.
RINEX v. 4.00 RINEX 4.00 (2021) is a major revision of the format document to modernize the Navigation message files to be able to accommodate the new navigation messages from all the GNSS constellations, and system data messages such as; ionospheric corrections, earth orientation parameters and system time offsets. The Observation file format remains the same with some added QZSS signals and tracking codes to fully support the upcoming L1 C/B signal. The Meteo file format also remains the same. All RINEX file types also have new optional header lines to support FAIR data usage; Finding, Accessible, Interoperable and Reusable data.
RINEX v. 3.05 RINEX 3.05 (2020) is a major restructure and revision of the format document to make it clearer and easier to read, it adds BeiDou signals and tracking codes to fully support BDS-2 and BDS-3, and it also adds missing flags and values to the GLONASS navigation messages.
RINEX v. 3.04 The RINEX 3.04 release supports all publicly available signals from the US: GPS, Russia: GLONASS, Europe: Galileo, China: BeiDou, Japan: Quasi Zenith Satellite System (QZSS) and the Indian Regional Navigation Satellite System (IRNSS) constellations. RINEX 3.04 contains updates to support planned GLONASS CDMA signals, new BeiDou III and QZSS II signals. In addition to the new signals, the RINEX 3.04 text has been edited to improve the description of messages, fields and overall readability.
RINEX v. 3.03 August 2015 release notes
RINEX v. 3.02 Enhanced 3.01 to include: a new header message to specify the GLONASS code-phase bias; the existing GLONASS frequency to slot header message has been specified as mandatory and a new RINEX file naming convention
RINEX v. 3.01 GPS, GLONASS, Galileo, BeiDou (Compass), QZSS and SBAS, however, structure of the data record has changed significantly with the addition to detailed characterization of actual signal generation
RINEX v. 2.11-A *Rinex 2.11 format definition addendum authorizing and encouraging the use of gzip compression as approved by the IGS-RTCM RINEX Working Group and the IGS Infrastructure Committee
RINEX v. 2.11 GPS, GLONASS and Galileo observations, meteorological data, and navigation files. Additionally, the C2, L2C/L5 and Galileo codes have also been introduced
RINEX v. 2.10 GPS and GLONASS observations, meteorological data, and navigation files
GEO SBAS RINEX-type Exchange File for GEO SBAS Broadcast Data
SINEX station position and velocity solutions
Hatanaka compact RINEX GPS and GLONASS observations
sp3 version d GNSS and SBAS orbit solutions
sp3 version c GPS and GLONASS orbit solutions
sp3 version a GPS and GLONASS orbit solutions

(Discontinued January 2006)

 erp Earth rotation parameter files

(Self-documented within)

clock RINEX 3.04 station and satellite clock solutions
clock RINEX 3.02 station and satellite clock solutions
clock RINEX 3.00 station and satellite clock solutions
Bias-SINEX V1.00 GNSS code and phase biases for satellites and stations
IONEX V1.00 ionospheric TEC grid products
Tropo SINEX v2.00 Solution (Software/Technique) Independent Exchange (SINEX) format for TROpospheric and meteorological parameters
Tropo SINEX Zenith path delay products
site log History of site installation
ANTEX Format Description ANTEX: The Antenna Exchange Format, Version 1.4
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