SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 FEBRUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 FEBRUARY)
Date T index Conditions
11 Feb 81 Normal-fair
Flares Max Fadeout Freq. Sectors
M1.2 0009UT possible lower West Pacific
M1.1 0044UT possible lower West Pacific
M1.4 1312UT possible lower European
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Niue Island Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Mostly near predicted monthly values.
Depressed by 25% after local dawn.
Antarctic Region (Casey/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jan 96
Feb 88
Mar 87
2. FORECAST (12 FEBRUARY - 14 FEBRUARY)
Date T index Conditions MUFs
12 Feb 85 Normal Near predicted monthly values
13 Feb 85 Normal Near predicted monthly values
14 Feb 85 Normal Near predicted monthly values
COMMENT: ASWFC SWF HF Communications Warning 21 was issued on
11 February and is current for 11-13 Feb. Maximum Usable Frequencies
(MUFs) in the Australian region were mostly near predicted monthly
values on UT day 11-Feb. Southern Australian MUFs are depressed
by 25% after local dawn. Sporadic E was observed at Perth during
local night hours. MUFs are expected to be near predicted monthly
values over 12-14 Feb.
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For an explanation of some of the terms in this report, go to
https://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au