GB/T 39396.2-2020Quality requirements for international GNSS monitoring and assessment system (iGMAS)—Part 2: Products (English PDF)
全球连续监测评估系统（iGMAS）质量要求 第2部分：产品
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 19, 2020
Implementation date
June 1, 2021
Scope
GB/T 39396.2-2020 is the English-translated version of 全球连续监测评估系统（iGMAS）质量要求 第2部分：产品.
GB/T 39396.2-2020 is the Chinese standard "Quality requirements for international GNSS monitoring and assessment system (iGMAS)—Part 2: Products". Its scope clause reads: This part of GB/T 39396 specifies the global continuous monitoring and evaluation system (iGMAS) product quality requirements and evaluation methods.
This part is applicable to satellite navigation monitoring and evaluation, satellite navigation high-precision applications and scientific research. Its clauses include terms and definitions; abbreviations.
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Document preview — GB/T 39396.2-2020
National Standard of the People's Republic of China
- ICS
- 49.020
- Classification
- V 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Abbreviations
- 5 Product quality requirements
- 5.1 Accuracy of rail products
- 5.2 Accuracy of clock difference products
- 5.3 Coordinate product accuracy
- 5.4 Product accuracy of earth rotation parameters
- 5.5 Accuracy of Tropospheric Products
- 5.6 Accuracy of ionospheric products
- 5.7 Product accuracy of differential code deviation
- 6 Evaluation method
- 6.1 Reference benchmark
- 6.2 Accuracy of rail products
- 6.3 Accuracy of clock difference products
- 6.4 Coordinate product accuracy
- 6.5 Product accuracy of earth rotation parameters
- 6.6 Accuracy of Tropospheric Products
- 6.7 Accuracy of ionospheric products
- 6.8 Product accuracy of differential code deviation
- 6.9 Summary of information product integrity
1 Scope
This part of GB/T 39396 specifies the global continuous monitoring and evaluation system (iGMAS) product quality requirements and evaluation methods.
This part is applicable to satellite navigation monitoring and evaluation, satellite navigation high-precision applications and scientific research.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 39267-2020 Beidou satellite navigation terminology
3 Terms and definitions
The following terms and definitions defined in GB/T 39267-2020 apply to this document.
3.1 Super fast product
Using the latest observation data from the tracking station, the maximum time delay is the orbit, clock difference, earth rotation parameters and tropospheric products released within 3h.
Note 1.Generally update every 6h.
Note 2.Ultra-fast products start at 0 o'clock, 6 o'clock, 12 o'clock, and 18.00 UTC, respectively. The orbit, clock difference and earth rotation parameter products include 48h product data,
Among them, the first 24h is the observation part, and the last 24h is the forecast part; tropospheric products only contain the product data of the 24h observation part.
3.2 Quick product
Using the latest observation data from the tracking station, the maximum time delay is the orbit, clock difference, earth rotation parameters and ionospheric products released within 17 hours.
Note 1.Generally 1d is updated once.
Note 2.Fast products start from UTC0, and the duration is 24h.
3.3 Final product
Using the latest observation data from the tracking station, the orbit, clock difference, earth rotation parameters and ionospheric products released with a delay of 10d~17d.
Note 1.Generally 7d is updated once.
Note 2.The final product starts from UTC0 and has a duration of 24h.
4 Abbreviations
The following abbreviations apply to this document.
DCB. differential code deviation
GEO. Geostationary Orbit
IGSO. tilted geosynchronous orbit […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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