QX/T 252-2014 in English
VALIDTerminologies for ionosphere
- Issued on:2014-10-24
- Implemented on:2015-03-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$224.00
| Standard No: | QX/T 252-2014 |
| Document status: | VALID |
| Title in English: | Terminologies for ionosphere |
| Title in Chinese: | 电离层术语 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2014-10-24 |
| Implemented on: | 2015-03-01 |
| Professional Classification: | QX-Meteorology |
| Related Topics: | ionization
ionosphere QX "Ionosphere |
Introduction
Standard Overview
QX/T 252-2014 is a meteorological industry standard developed under the leadership of the National Satellite Meteorological Center. It systematically standardizes the ionospheric terminology within the altitude range of 60km-1000km and provides a unified technical language for space weather monitoring and early warning.
Core Terminology Analysis
| Term Category | Key Definition | Typical Parameters |
|---|---|---|
| Ionospheric Structure | D Layer (60-90km), E Layer (90-140km), F Layer (140-1000km) | Critical Frequency 2-12MHz |
| Ionospheric Phenomenon | Ionospheric Storm, Aurora, Extended E Layer | TEC Variation Range>20% |
| Detection Technology | Ionospheric altimeter, radio occultation | Virtual height measurement accuracy ±1km |
Technology evolution analysis
For the first time, the standard clearly defines ionospheric weather (Article 2.2) as a short-term change process, reflecting the technical transformation from static description to dynamic monitoring. Compared with the 2003 version of the industry specification, five new space weather characteristic terms such as ionospheric equatorial anomaly (Article 2.16) have been added.
Implementation Recommendations
- The standard definitions of false height (Article 2.23) and critical frequency (Article 2.25) terms should be used in the annotation of ionospheric altimeter data
- Space weather warning reports need to distinguish the duration difference between ionospheric storms (Article 2.14) and sudden disturbances (Article 2.13)
- Establish a three-dimensional ionospheric assimilation model based on TEC (Article 2.27) data

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