[Ips-whfpr] IPS Weekly Prop. Report (30 January 08)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 30/0200Z JANUARY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (23 JANUARY - 29 JANUARY)
Date   T index   Conditions        
23 Jan  -15      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% 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.

24 Jan    0      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day with
      some periods of MUF depressions,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed 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.

25 Jan   -8      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day
      with periods of depressions, 
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 20% during local day,
      Depressed by 15% 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 with
      periods of degraded conditions. 

26 Jan  -14      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Depressed by 25% 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,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with
      period of degradations.

27 Jan  -20      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day with 
      periods of depressions and degradations,
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 25% during local day,
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

28 Jan  -12      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 10% during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 10% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 10% during the UT day.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 10% during the UT day.

29 Jan   -3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during UT day.
   Northern Australian Region:
      Depressed by 10% during the UT day.
   Southern Australian and New Zealand Regionsed 
      Near predicted monthly values during the day,
      Depressed by 15% during the night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for January:  12
2. FORECAST (30 JANUARY - 05 FEBRUARY) 
MUFS: briefly depressed after local dawn on 1 Feb
MUFs near predicted monthly values on other days.
Propagation conditions: Fair 01-Feb , otherwise normal. No SWFs
T index:    5

3. OUTLOOK (06 FEBRUARY - 07 MARCH)
Degraded HF propagation conditions possible:
10-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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