[Ips-whfpr] IPS Weekly Prop. Report (28 September 05)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 28/0200Z SEPTEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 SEPTEMBER - 27 SEPTEMBER)
Date   T index   Conditions        
21 Sep   38      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     Depressed by 15% during local night.
     Enhanced by 20% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 15% over the UT day.

22 Sep   36      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Depressed by 15% 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 25% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

23 Sep   38      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     No data available 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):
     Near predicted monthly values over the UT day.

24 Sep   29      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     No data available during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
  Antarctic Region (Casey/Scott Base):
     Enhanced by 15% over the UT day.

25 Sep   40      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 25% 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 15% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

26 Sep   47      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     No data available 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 during local day,
     Enhanced by 20% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

27 Sep   36      Normal            
MUFS:
   Equatorial PNG Region:
      Enhancements up to 50% noted, otherwise
      mostly near predicted monthly values,
   Northern Australian Region:
      Darwin showed Sporadic E blanketing at 06UT,
      otherwise, near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values, with spread F
      noted during local night, 
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values,
      with spread F noted during local night.
      Mawson showed Sporadic E blanketing 08-19UT.

Predicted Monthly T index for September:  24
2. FORECAST (28 SEPTEMBER - 04 OCTOBER) 
MUFs near predicted monthly values.
Propagation conditions: Fair 28-Sep Fair 01-Oct Fair 02-Oct , otherwise normal. No SWFs
T index:   24

3. OUTLOOK (05 OCTOBER - 04 NOVEMBER)
Degraded HF propagation conditions possible:
06-Oct to 07-Oct,09-Oct to 11-Oct,17-Oct to 18-Oct,27-Oct to 28-Oct,02-Nov to 03-Nov.

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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