[Ips-dhfpr] ASWFC Daily HF Prop Report - 07 October 26 issued 2330 UT on 07 Oct 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 OCTOBER 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 OCTOBER) 
Date   T index  Conditions    
07 Oct    52    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Sep      61
Oct      60
Nov      58


2. FORECAST (08 OCTOBER - 10 OCTOBER)
Date   T index  Conditions       MUFs                              
08 Oct    50    Normal           Near predicted monthly values
09 Oct    35    Normal-fair      Near predicted values to 15% 
                                 depressed    
10 Oct    40    Normal-fair      Near predicted monthly values 
                                 to 15% depressed   

COMMENT: ASWFC SWF HF Communications Warning 82 was issued on 
7 October and is current for 7-9 Oct. ASWFC Preliminary HF Communications 
Warning 83 was issued on 7 October and is current for 9-10 Oct. 
Maximum usable frequencies (MUFs) in the Australian region on 
UT day 7-Oct were near predicted values. Spread-F was observed 
in Hobart during local night hours. MUFs are expected to become 
up to 15% depressed over 9-10 Oct due to anticipated geomagnetic 
activity. Spread-F is possible during local night hours over 
this period.

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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