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QX/T 252-2014 in English

QX/T 252-2014 in English

VALID

Terminologies for ionosphere

  • Issued on:2014-10-24
  • Implemented on:2015-03-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $230.00
$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

  1. 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
  2. Space weather warning reports need to distinguish the duration difference between ionospheric storms (Article 2.14) and sudden disturbances (Article 2.13)
  3. Establish a three-dimensional ionospheric assimilation model based on TEC (Article 2.27) data

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