[Ips-whfpr] IPS Weekly Prop. Report (19 September 07)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 19/0200Z SEPTEMBER 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (12 SEPTEMBER - 18 SEPTEMBER)
Date   T index   Conditions        
12 Sep    7      Normal            
MUFS:
near predicted monthly values

13 Sep    0      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      No data available during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 20% during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 25% over the UT day.

14 Sep    4      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 15% over the UT day,
      Near predicted monthly values 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):
      Enhanced by 15% over the UT day.

15 Sep   10      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

16 Sep    7      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

17 Sep    1      Fair-normal       
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 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

18 Sep    4      Fair-normal       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed 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/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for September:  10
2. FORECAST (19 SEPTEMBER - 25 SEPTEMBER) 
MUFS: MUFs near predicted monthly values.
Propagation conditions: Fair-Normal. No SWFs
T index:    5

3. OUTLOOK (26 SEPTEMBER - 26 OCTOBER)
Degraded HF propagation conditions possible:
30-Sep,03-Oct.

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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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