[Ips-whfpr] IPS Weekly Prop. Report (22 February 06)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 22/0200Z FEBRUARY 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 FEBRUARY - 21 FEBRUARY)
Date   T index   Conditions        
15 Feb   26      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Depressed by 30% during local day,
     Near predicted monthly values 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 during local day,
     Enhanced by 20% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

16 Feb   19      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Depressed by 15% 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 15% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

17 Feb   24      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values.
  Northern Australian Region:
     Depressed by 15% during local day,
     Enhanced by 35% 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 Feb   22      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
  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.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

19 Feb   29      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced 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 over the UT day.

20 Feb   34      Normal-Fair       
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 30% 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.

21 Feb   18      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
     Enhanced by 30% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
     Depressed by 25% after local dawn.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

Predicted Monthly T index for February:  16
2. FORECAST (22 FEBRUARY - 28 FEBRUARY) 
MUFS: briefly depressed after local dawn 22 to 24 Feb
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 22-24Feb, otherwise normal. No SWFs
T index: 10 22-24 Feb, otherwise  20.

3. OUTLOOK (01 MARCH - 31 MARCH)
Degraded HF propagation conditions possible:
21-Mar.

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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