[Ips-dhfpr] IPS Daily HF Prop Report - 22 September 08

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z SEPTEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 SEPTEMBER) 
Date   T index  Conditions    
22 Sep    -8    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

PCA Event : No event.

Predicted Monthly T index for September:   2
2. FORECAST (23 SEPTEMBER - 25 SEPTEMBER)
Date   T index  Conditions       MUFs                              
23 Sep    -5    Normal           near predicted monthly values/depressed 
                                 5 to 15% 
24 Sep    -5    Normal           near predicted monthly values/depressed 
                                 5 to 15%     
25 Sep     0    Normal           Near predicted monthly values    
COMMENT: Mild degradations in HF conditions and depressions in 
MUFs were observed today, primarily at low-equatorial latitudes. 
Poor ionisation due to continued very low levels of solar activity 
is the likely cause. Similar HF conditions may be expected across 
Auz/NZ regions for the next few days. 
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For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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