Micron Document
NOTCONFNET SOLAR WEATHER

Last Updated: 30 Jul 2026 0429 GMT


Solar Activity

Solar Flux (SFI): 143
Sunspot Number: 123
X-Ray Level: B9.7
Solar Wind: 327.5 km/s


Geomagnetic Conditions

A-Index: 5
K-Index: 1
Geomagnetic Field: VR QUIET
Aurora Level: 1


HF Band Conditions

80m-40m: Day: Fair Night: Good
30m-20m: Day: Good Night: Good
17m-15m: Day: Good Night: Good
12m-10m: Day: Fair Night: Poor


Additional Data

Signal Noise: S0-S1
Proton Flux: 12
Electron Flux: 1280
Helium Line: 129.1
Magnetic Field: 0.5 nT


MUF Lookup (by Grid Square)

Enter your Maidenhead grid square:
4-char (e.g., DM13, FN31) or 6-char for precision (e.g., DM13fw, FN31pr)

Grid Square:

Lookup MUF


Find Grid Square (by Zip Code)

Enter your US zip code to find your grid square:

Zip Code:

Find Grid Square



Solar data: N0NBH Solar Terrestrial Data Service
MUF data: KC2G Ionospheric Observatory (prop.kc2g.com)
Zip code data: Zippopotam.us


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