[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 October 25 issued 2330 UT on 06 Oct 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 OCTOBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 OCTOBER) 
Date   T index  Conditions    
06 Oct   104    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 50% during local day.
      Enhanced by 55% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly 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      109
Oct      89
Nov      89


2. FORECAST (07 OCTOBER - 09 OCTOBER)
Date   T index  Conditions       MUFs                              
07 Oct   105    Normal           Near predicted monthly values 
                                 to 15% enhanced
08 Oct   110    Normal           Near predicted monthly values 
                                 to 15% enhanced    
09 Oct   115    Normal           Near predicted monthly values 
                                 to 15% enhanced   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 6-Oct were mostly near predicted monthly values. 
Sporadic-E was observed in Townsville and Perth during local 
night hours. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 7-9 Oct.

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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