[Ips-whfpr] IPS Weekly Prop. Report (02 July 08)

rwc rwc at ips.gov.au
Wed Jul 2 11:50:36 EST 2008


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 02/0200Z JULY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 JUNE - 01 JULY)
Date   T index   Conditions        
25 Jun    9      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day,
      Enhanced by 15% 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/Davis/Mawson):
      Enhanced by 30% over the UT day.

26 Jun    2      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   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 with some enhancements
      at times.

27 Jun   -0      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values with minor 
      to significant depressions during local
      day time.
   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 montly values with periods of enhanced
      MUFs and some periods of minor to significant
      degradations.

28 Jun   -2      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   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 with periods of some 
      enhancement and periods of minor to significant
      degradations. 

29 Jun    1      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 25% during local day,
      Near predicted monthly values during local night.
   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):
      Enhanced by 65% over the UT day.

30 Jun   -1      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with periods of enhancements 
      and periods of minor to moderate degradations. 

01 Jul   -5      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values with periods
      of minor to moderate MUF depressions.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted montly values with periods of
      enhancements and periods of minor to significant
      degradations.

Predicted Monthly T index for July:   5
2. FORECAST (02 JULY - 08 JULY) 
MUFS: MUFs near predicted monthly values.
Propagation conditions: Mostly normal. No SWFs
T index:    3

3. OUTLOOK (09 JULY - 08 AUGUST)
Degraded HF propagation conditions possible:
No signficant degraded periods expected. However, periods
of minor to mild degradations may be possible at times on 
11, 12 and 23 July.

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale 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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