[Ips-whfpr] IPS Weekly Prop. Report (24 January 07)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 24/0200Z JANUARY 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 JANUARY - 23 JANUARY)
Date   T index   Conditions        
17 Jan   22      Fair              
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 30% during local night.
  Northern Australian Region:
     Enhanced 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 Jan   11      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
  Northern Australian Region:
     Enhanced by 15% during local day,
     Near predicted monthly values during local night.
  Southern Australian and New Zealand Region:
     Depressed by 15% during local day,
     Depressed by 20% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

19 Jan   -8      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 25% during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

20 Jan   -2      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

21 Jan    6      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Depressed by 25% after local dawn.
  Northern Australian Region:
     Mostly near predicted monthly values,
  Southern Australian and New Zealand Region:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

22 Jan    0      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Depressed by 30% during local night.
     Depressed by 30% after local dawn.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

23 Jan   11      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Depressed by 30% after local dawn.
  Northern Australian Region:
     Near predicted monthly values.
  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.

Predicted Monthly T index for January:  10
2. FORECAST (24 JANUARY - 30 JANUARY) 
MUFS: briefly depressed after local dawn 29 to 30 Jan,
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 29-Jan Fair 30-Jan , otherwise 
normal. No SWFs.
T index:   20

3. OUTLOOK (31 JANUARY - 02 MARCH)
Degraded HF propagation conditions possible:
31-Jan,12-Feb to 13-Feb,25-Feb to 27-Feb.

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

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