GB/T 46138-2025 Active National standards

GB/T 46138-2025 Grade of geomagnetic activity

Publish Date: 2025-08-29 Implement Date: 2025-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46138-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Meteorology

ICS Name: Geology, meteorology, and hydrology

Publish Date: 2025-08-29

Implement Date: 2025-12-01

Pages: 12 pages

Scope

This document specifies the grading of 3-hour single-station (regional) and global geomagnetic activity levels.
This document is applicable to the monitoring and forecasting of geomagnetic activity.