[Ips-whfpr] IPS Weekly Prop. Report (17 August 05)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 17/0200Z AUGUST 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 AUGUST - 16 AUGUST)
Date   T index   Conditions        
10 Aug   34      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

11 Aug   18      Normal            
MUFS:
slightly below predicted monthly values

12 Aug   24      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 15% over the UT day.

13 Aug   31      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Depressed by 35% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 35% over the UT day.

14 Aug   29      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

15 Aug   20      Normal            
MUFS:
near predicted monthly values

16 Aug   33      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 20% during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for August:  26
2. FORECAST (17 AUGUST - 23 AUGUST) 
MUFS: briefly depressed after local dawn on 17 Aug
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 17-Aug , otherwise normal. No SWFs
T index:   20

3. OUTLOOK (24 AUGUST - 23 SEPTEMBER)
Degraded HF propagation conditions possible:
24-Aug to 25-Aug,03-Sep,05-Sep,12-Sep to 13-Sep,20-Sep to 21-Sep.

PLEASE NOTE:
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

For an explanation of some of the terms in this report, goto
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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tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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