[Ips-whfpr] IPS Weekly Prop. Report (19 October 05)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 19/0200Z OCTOBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (12 OCTOBER - 18 OCTOBER)
Date   T index   Conditions        
12 Oct   20      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values. Sporadic E observed at
      Vanimo 19-21 UT. Spread F observed at Port Moresby
      12-17 UT.
   Northern Australian Region:
      Near predicted monthly values. Sporadic E
      observed at Darwin 13-18 UT and spread F from 13-17 UT
      Sporadic E observed at Niue 16-17 and 20 UT. Sporadic
      E observed at Brisbane 13-14 UT and spread F 17-19
      UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Sporadic E observed at
      Canberra 04-07 UT, Mundaring 02-03 UT and Hobart 03-05 UT.
      Spread F observed at Canberra 16-18 UT and Hobart
      14-18 UT.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values.

13 Oct   20      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values with depressions to 30%
      08-11 UT and 14-17 UT at Vanimo and 07-09 UT and 15 UT
      at Port Moresby.
   Northern Australian Region:
      Near predicted monthly values with depressions to 25%
      03-06 UT. Spread F observed at Niue 10-11 UT and
      Brisbane 12-18 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Sporadic E observed at
      Sydney and Canberra 03-05 UT.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values. Spread F observed at
      Macquarie Island 09-18 UT and sporadic E observed at
      Mawson 18-20 UT.

14 Oct   22      Normal            
MUFS:
   Equatorial PNG Region:
     Mostly near predicted monthly values,
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

15 Oct   29      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 15% 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):
     Near predicted monthly values over the UT day.

16 Oct   30      Normal            
MUFS:
near predicted monthly values

17 Oct   22      Normal            
MUFS:
slightly below predicted monthly values

18 Oct   10      Normal            
MUFS:
near predicted monthly values

Predicted Monthly T index for October:  23
2. FORECAST (19 OCTOBER - 25 OCTOBER) 
MUFS: MUFs near or slightly below predicted monthly values.
Propagation conditions: Normal.  Low probability of SWFs
T index:   30

3. OUTLOOK (26 OCTOBER - 25 NOVEMBER)
Degraded HF propagation conditions possible:
26-29Oct,03-04Nov,19-25Nov.

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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