[Ips-whfpr] IPS Weekly Prop. Report (29 August 07)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 29/0200Z AUGUST 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 AUGUST - 28 AUGUST)
Date   T index   Conditions        
22 Aug    5      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values.
   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 during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Variable local enhancements.

23 Aug    6      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   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 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

24 Aug    8      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   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):
      Variable enhancements over the UT day.

25 Aug   13      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day.
      Near predicted monthly values 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 40% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Variable enhancements over the UT day.

26 Aug   15      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Enhanced by 20% during local day.
   Northern Australian Region:
      Near predicted monthly values.
   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):
      Variable enhancements over the UT day.

27 Aug   13      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values with depressions to
      40% 14-17 UT.
   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 with depressions to
      25% during night hours.

28 Aug    9      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values with depressions to 20%
      at Niue 01-03 UT and depressions up to 50% at Vanimo
      13-20 UT. Night spread F observed at Niue.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 25% at
      Darwin 01-03 UT. Night sporadic E observed at
      Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Spread F observed at
      most stations during the night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed. Night
      spread F observed.

Predicted Monthly T index for August:   9

2. FORECAST (29 AUGUST - 04 SEPTEMBER) 
MUFS: Mostly near predicted monthly values.
Propagation conditions: Normal to fair. No SWFs expected.
T index: 10

3. OUTLOOK (05 SEPTEMBER - 05 OCTOBER)
Degraded HF propagation conditions possible:
23-24 September, 29-30 September

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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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