Standard number: QX/T 502-2019
Standard name: Technical requirements of ionospheric scintillation monitor
English name: Technical requirements of ionospheric scintillation monitor
Standard format: PDF
Release time: 2019-09-30
Implementation time: 2020-01-01
Standard size: 776K
Standard introduction: This standard is drafted in accordance with the rules given in GB/T1.1-2009
This standard is proposed by the National Satellite Meteorology and Space Weather Standardization Technical Committee (SAC/TC347) and is under the jurisdiction of this standard drafting unit: National Satellite Meteorological Center (National Space Weather Monitoring and Early Warning Center) The main drafters of this standard: Mao Tian, ​​Yu Chao, Wang Yungang, Shan Haibin This standard specifies the composition, functional requirements, performance requirements, equipment environmental adaptability requirements, etc. of ionospheric scintillometers. This standard applies to the research and development, design and production, equipment selection, station network construction and acceptance evaluation of ionospheric scintillometers. Note: The ionospheric scintillometers in this standard include ionospheric scintillometers based on global navigation satellite system signals, ionospheric scintillometers based on geostationary meteorological satellite signals, and
ionospheric scintillometers based on polar-orbiting meteorological satellite signals.
2 Normative reference documents
The following documents are indispensable for the application of this document. For any dated referenced document, only the dated version applies to this document. For any undated referenced document, its latest version (including all amendments) applies to this document
QX/T285-2015 Ionospheric scintillation index data format
The following terms and definitions apply to this document
Ionospheric scintillation
The phenomenon of rapid fluctuations in amplitude or phase when a radio wave signal passes through the ionosphere.
Note: Rewrite QX/T285-2015, definition 3.2
Amplitude scintillation index
The index of amplitude variation of a radio wave signal passing through the ionosphere within a certain time interval.
Note: Rewrite QX/T285-2015, definition 3.1
The standard specifies the composition, functional requirements, performance requirements, equipment environmental adaptability requirements, etc. of the ionospheric scintillometer. This standard applies to the research and development, design and production, equipment selection, station network construction and acceptance evaluation of ionospheric scintillometers. Note: The ionospheric scintillometers in this standard include three types: ionospheric scintillometers based on global navigation satellite system signals, ionospheric scintillometers based on geostationary meteorological satellite signals, and ionospheric scintillometers based on polar-orbiting meteorological satellite signals.

ICS07.060
Meteorological Industry Standard of the People's Republic of China
QX/T502—2019
Technical requirements of ionospheric scintillation monitor Industry Standard Information Service Platform
Released on September 30, 2019
China Meteorological Administration
Implementation on January 1, 2020
Industry Standard Information Service Platform
Normative reference documents
Terms and definitions
Functional requirements
Performance requirements
Equipment environmental adaptability requirements
Reliability, maintainability and life
Technical data and spare parts
References·
QX/T502—2019
Industry Standard Information Service Platform
Industry Standard Information Service Platform
This standard was drafted in accordance with the rules given in GB/T1.1—2009. QX/T502—2019
This standard is proposed and managed by the National Technical Committee for Satellite Meteorology and Space Weather Standardization (SAC/TC347). Drafting unit of this standard: National Satellite Meteorological Center (National Space Weather Monitoring and Early Warning Center) Main drafters of this standard: Mao Tian, ​​Yu Chao, Wang Yungang, Shan Haibin. Industry Standard Information Service Platform
Industry Standard Information Service Platform
1 Scope
Technical requirements for ionospheric scintillometer
QX/T502—2019
This standard specifies the composition, functional requirements, performance requirements, equipment environmental adaptability requirements, etc. of ionospheric scintillometers. This standard applies to the research, development, design, production, equipment selection, station network construction and acceptance evaluation of ionospheric scintillometers. Note: In this standard, ionospheric scintillometers include three types: ionospheric scintillometers based on global navigation satellite system signals, ionospheric scintillometers based on geostationary meteorological satellite signals, and ionospheric scintillometers based on polar-orbiting meteorological satellite signals. 2 Normative references
The following documents are indispensable for the application of this document. For all dated references, only the dated version applies to this document. For all undated references, the latest version (including all amendments) applies to this document. QX/T2852015 Ionospheric scintillation index data format 3 Terms and definitions
The following terms and definitions apply to this document. 3.1
Ionospheric scintillation
ionospheric scintillation
The phenomenon that the amplitude or phase of a radio wave signal fluctuates rapidly when it passes through the ionosphere. Note: Rewrite QX/T285-2015, definition 3.2. 3.2
amplitude scintillation index amplitude scintillation index
The index of amplitude variation of a radio signal passing through the ionosphere within a certain time interval. Note: Rewrite QX/T285-2615, definition 34. 3.3
phase scintillation index
phase scintillatic ader
Smart Service Platform
The index of position variation of a radio wave signal passing through the ionosphere within a certain time interval. Note: Rewrite QX/T285-2015. definition 3.5. 3.4
total electroncontent;TEC
[Ionosphere] Total electron content
[Ionosphere] Electron column content
[[Ionosphere] Electron integral content
Integral of electron density along height
[QX/T252—2014, Definition 2.27]
4 Composition
Usually, the ionospheric scintillometer includes five parts: ionospheric scintillation receiver, antenna, ionospheric scintillation data processing software, data processing and storage computer 1
QX/T502—2019
and uninterruptible voltage stabilized power supply.
Functional requirements
The ionospheric scintillometer should have the following functions: 5.1
It should automatically obtain the year, month, day, hour, minute, ionospheric scintillator beacon source, satellite number, satellite elevation angle, satellite azimuth, longitude and latitude of the 350km single-layer model puncture point of the ionosphere, amplitude scintillation index, phase scintillation index, corrected amplitude scintillation index, and signal-to-noise ratio of the observation time in the universal time system;
It should have the ability to automatically synchronize, receive, calculate, store, transmit, and display on a graphical interface in real time; b
It should be able to store observation and product data of no less than 1 year. 2The ionospheric scintillometer based on the global navigation satellite system should have the ability to calculate the ionospheric TEC. 5.2
5.3The data storage format of the ionospheric scintillometer should be implemented in accordance with QX/T285-2015. 6
Performance requirements
The main technical indicators of the ionospheric scintillometer based on global navigation satellite system signals are shown in Table 1.
Main technical indicators of the ionospheric scintillometer based on global navigation satellite system signals Performance
Received signal
Number of receiving channels
Signal capture sensitivity
Signal tracking sensitivity
Carrier phase measurement accuracy
Pseudorange measurement accuracy
S. Observation accuracy
6 Observation accuracy
Measurement accuracy of absolute TEC
Measurement accuracy of relative TEC
S Monitoring capability
Time synchronization accuracy
Basic observation data
Sampling rate
Observation output time interval
St and a, output time interval
should at least include Global Positioning System (GPS) L1, L2. GLONASS (GLONASS) L1, L2 Beidou Satellite Navigation System (BDS) BI, B2
GPSL1:-170dBW:GPSL2:-167dBW;GLONASSL1:-167dBW;GLO-NASSL2:-167dBW;BDSB1:-167dBW;BDSB2:-167dBWGPSLI:-182dBW;GPSL2:-176dBW;GLONASSL1:-176 dBW;GLO
NASSL2:176dBW;BDSB1:-178dBW;BDSB2:178dBW1%wavelength
Information service level
Better than 0.05
Carrier phase observation value, pseudorange, carrier-to-noise ratio, time ≥50Hz
Adjustable from 0.02s to 1min
Adjustable from 1s to 1min
Should be equipped with an antenna with multipath suppression capability Note: dBW is the unit for expressing the absolute value of power, 1dBW=10X1gW; the measurement accuracy unit of TEC is TECU.1TECU=1X101m=3g is the gravity acceleration.1g~9.8m/s
The main technical indicators of the ionospheric scintillometer based on geostationary meteorological satellite signals are shown in Table 2.
Received signal
Working frequency
S.Observation accuracy
0Observation accuracy
StMonitoring capability
Basic observation data
Basic observation sampling rate
Main technical indicators of ionospheric scintillometer based on geostationary meteorological satellite signals
QX/T502—2019
FY-2 meteorological satellite and Fengyun-4 meteorological satellite (FY-4) business telemetry signal 1702.5MHz.2290MHz
better than 0.1
better than 0.05
carrier phase observation value, signal power
should have network port, serial port and other communication interfaces
g is gravity acceleration, 1g~9.8m/s
The main technical indicators of the ionospheric scintillometer based on polar-orbiting meteorological satellite signals are shown in Table 3.
Received signal
Working frequency
Antenna G/T
S4 observation accuracy
S4 monitoring capability
Tracking accuracy
Basic observation data
Basic observation update rate
Main technical indicators of ionospheric scintillometer based on polar-orbiting meteorological satellite signals
Earth Observation System (EOS)/NOAA satellite (NOAA)/National Polar-orbiting Operational Environmental Satellite (NPP) and Fengyun-3 meteorological satellite (FY-3) signal segment 7750MHz~7850MHz.8025MHz~8400MHz serial number 698MHz~1710MHz
Information service platform
X band ≥2d/k
L band: ≥12db/K
Better than 0.1
Better than 0.1 times the main lobe width of the receiving antenna beamSignal power
≥50Hz
Should have network port, serial port and other communication interfaces
g is the acceleration of gravity, 1g~9.8m/s
QX/T502-—2019
Equipment environment adaptability requirements
Outdoor equipment environment adaptability requirements
See Table 4.
Detection environment
Working temperature
Relative humidity
Wind resistance
Other defense capabilities
Indoor equipment environmental adaptability requirements
See Table 5.
Power supply
Working temperature
Relative humidity
Outdoor equipment environmental adaptability requirements
The site is wide and flat, with no tall shelters nearby and no strong electromagnetic interference sources-40℃~+80℃
Less than or equal to 100%
Average wind speed is greater than or equal to 30m/s
Anti-dust, anti-salt fog, anti-lightning, waterproof and anti-mildew Indoor equipment environmental adaptability requirements
AC 22 0V (+22V, -33V), 50Hz±3Hz0℃~+40℃www.bzxz.net
Less than or equal to 100%
Other defense capabilities
Industry standards
Reliability, maintainability and lifespan
Anti-salt spray, lightning protection, waterproof and mildew-proof
The average trouble-free working time of the ionospheric scintillometer should be greater than 500h: in the service level
8.2 The ionospheric scintillometer should adopt a modular structure as much as possible for maintenance. Under the condition that the cause of the fault is determined and the spare parts are complete, the average fault repair time of the ionospheric scintillometer should be less than 1h. 8.3 The design life of the equipment should be greater than 5 years. 9
Technical data and spare parts
The ionospheric scintillometer should be equipped with complete technical documentation, including instructions for use, working principle diagram, circuit diagram, operation process, notes9.1
, installation and commissioning methods and maintenance guide, etc., to ensure the correct installation and normal operation of the equipment. 9.2 The ionospheric scintillometer should be equipped with at least 3 consumable components and necessary spare parts and lists when leaving the factory, and equipped with special installation and commissioning tools and instruments.
[1]］QX/T252—2014 Ionospheric Terminology References
QX/T502—2019
Industry Standard Information Service Platform
People's Republic of China
Industry Standard
Meteorological Industry Standard
Technical Requirements for Ionospheric Scintillometer
QX/T502—2019
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