[Ips-whfpr] IPS Weekly Prop. Report (22 October 08)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 22/0200Z OCTOBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 OCTOBER - 21 OCTOBER)
Date   T index   Conditions        
15 Oct   -8      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

16 Oct   -8      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values 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.

17 Oct  -18      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed up to around 60% during local day.
      Depressed by 50% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values 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.

18 Oct  -18      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed up to around 60% to near predicted monthly
      values during the local day. 
      Depressed by 45% 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.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

19 Oct  -12      Fair-normal       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

20 Oct  -16      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
   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.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with
      periods of degradation.

21 Oct   -8      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values with depressions to 50%
      at times between 09 to 12 and 14 to 17 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 50%
      at times and mostly between 10 and 20 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly with occasional depressions to
      30% between 11 to 19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

Predicted Monthly T index for October:   2

2. FORECAST (22 OCTOBER - 28 OCTOBER) 
MUFS: MUFs near predicted monthly values with occasional depressions
      to 30%.
Propagation conditions: Normal. No SWFs
T index: -10

3. OUTLOOK (29 OCTOBER - 28 NOVEMBER)
Degraded HF propagation conditions possible: 08-10 November

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
time scale events that cannot be forecast a week in advance,
particularly at solar maximum.

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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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