[Ips-whfpr] IPS Weekly Prop. Report (12 April 06)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 12/0200Z APRIL 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (05 APRIL - 11 APRIL)
Date   T index   Conditions        
05 Apr   47      Fair              
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
     Enhanced by 20% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 40% during local night.
     Enhanced by 30% after local dawn.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Enhanced by 20% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

06 Apr   25      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values.
  Northern Australian Region:
     Mostly 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.

07 Apr   27      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values.
  Northern Australian Region:
     Mostly near predicted monthly values,
     Enhanced by 20% after local dawn.
  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.

08 Apr   29      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
  Northern Australian Region:
     Mostly near predicted monthly values,
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
     Enhanced by 20% after local dawn.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 20% over the UT day.

09 Apr   40      Normal-Fair       
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 45% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Enhanced by 25% during local night.
     Enhanced by 25% after local dawn.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 40% over the UT day.

10 Apr   39      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Enhanced by 30% during local night.
     Enhanced by 25% after local dawn.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Enhanced by 15% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 80% over the UT day.

11 Apr   28      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Enhanced by 20% 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 April:  16
2. FORECAST (12 APRIL - 18 APRIL) 
MUFS: briefly depressed after local dawn on 17 Apr
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 16-17 Apr , otherwise normal. No SWFs
T index:   20

3. OUTLOOK (19 APRIL - 19 MAY)
Degraded HF propagation conditions possible:
11-May to 13-May.

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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