QX/T 135-2011 Classification of solar activity levels

Standard Number: QX/T 135-2011(QX/T135-2011)
Chinese:太阳活动水平分级
English:Classification of solar activity levels

Effective Date:2011-11-01
Standard Applicability:This standard specifies the grading of solar activity levels. This standard applies to space weather monitoring and early warning operations.

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