[Ips-whfpr] IPS Weekly Prop. Report (01 June 05)

rwc rwc at ips.gov.au
Wed Jun 1 10:50:58 EST 2005


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 01/0200Z JUNE 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 MAY - 31 MAY)
Date   T index   Conditions        
25 May   29      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

26 May   26      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.

27 May   28      Normal            
MUFS:
   Equatorial PNG 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 15% 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):
     Enhanced by 25% over the UT day.

28 May   36      Normal-Fair       
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 30% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

29 May   58      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values 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 45% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 35% over the UT day.

30 May   50      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Depressed by 20% during local day,
      Enhanced by 100% during local night.
      Enhanced by 60% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 85% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day at most
      sites. MUFs at Hobart were 30% depressed during the local
      day. Enhanced by 15% during local night.
      Depressed by 25% after local dawn this morning.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.

31 May   17      Fair              
MUFS:
   Equatorial PNG Region:
      Enhanced by 20%.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25%.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for May:  27
2. FORECAST (01 JUNE - 07 JUNE) 
MUFS: briefly depressed after local dawn on 6 Jun
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 06-Jun , otherwise normal. No SWFs
T index:   40

3. OUTLOOK (08 JUNE - 08 JULY)
Degraded HF propagation conditions possible:
16-Jun,24-Jun,02-Jul to 03-Jul,06-Jul.

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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