China Ionospheric Forecast and Navigation Impact Visualization System
11-04当天 11-05+24h 11-06+48h 11-07+72h

foF2 Critical Frequency

Global Grid 64 × 64 · China + Guangdong
foF2 Distribution
Model Product
Maximum foF2
—MHz
Minimum foF2
—MHz
Mean foF2
—MHz
Peak Location
—
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149 Model Altitude Levels
Vertical Density Profile
Selected Point
Select a point in the seven provincesClick inside a province to load the true vertical profile for the current hour.
Altitude
300 km
UTC Forecast Hour
08:00

Fields are interpolated from the global 64 × 64 model grid. China window 73–136°E / 2.5–54.5°N; Guangdong inset 109.2–117.7°E / 19.4–26.4°N. Horizontal resolution ≈ 580 × 320 km.

NSMC NCSW Guangdong Meteorological Administration Nanchang University