[Ips-dhfpr] IPS Daily HF Prop Report - 10 October 08

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z OCTOBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 OCTOBER) 
Date   T index  Conditions    
10 Oct   -18    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by 35% during local day,
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for October:   2
2. FORECAST (11 OCTOBER - 13 OCTOBER)
Date   T index  Conditions       MUFs                              
11 Oct   -12    Normal           near predicted monthly values/depressed 
                                 10 to 20% 
12 Oct   -14    Normal-fair      near predicted monthly values/depressed 
                                 10 to 20%     
13 Oct   -15    Normal-fair      near predicted monthly values/depressed 
                                 10 to 30%    
COMMENT: Minor to moderate degradations in HF conditions and 
MUF depressions may be observed across northern Aus/NZ regions 
for the next three days due to low ionisation in the ionosphere 
as the solar activity continues to remain at very low levels 
and also due to an expected rise in geomagnetic activity levels 
on 12 and 13 October. Minor to moderate degradations in HF conditions 
and depressions in MUFs may also be possible in the southern 
parts of Aus/NZ regions on 12 and 13 October due to the expected 
enhancements in the geomagnetic activity on these 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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