[Ips-wsgr] IPS Weekly Solar and Geophysical Report (29 September 06)

rwc rwc at ips.gov.au
Fri Sep 29 12:08:54 EST 2006


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 29 SEPTEMBER 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (22 SEPTEMBER - 28 SEPTEMBER)
Date     22    23    24    25    26    27    28
10cm     72    70    70    70    71    72    73
AFr       1     7    15     6     5     2 (  2)
Aaus      1     8    17     6     6     3 (  3)
T        11    12    15     6     0    -8    -7

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian Region.
Frequencies:  Australian Ionospheric F2 critical frequencies

22 Sep 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
  Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
     Enhanced by 30% after local dawn.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 15% over the UT day.

23 Sep 
Solar:        low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
  Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Depressed by 30% during local night.
     Enhanced by 20% after local dawn.
  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.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 40% over the UT day.

24 Sep 
Solar:        very low
Geomagnetic:  Quiet to Active 

Frequencies:  
  Slightly below predicted monthly values

25 Sep 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
  Slightly below predicted monthly values

26 Sep 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
  Slightly below predicted monthly values

27 Sep 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 30% during local day,
      Depressed by 40% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values over the UT day.

28 Sep 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 25% during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 20% during local day,
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (29 SEPTEMBER - 05 OCTOBER)
Solar: 
Low

Geomagnetic:  
Active on 1 Oct.
Quiet to unsettled on other days.

Frequencies:  
MUFS depressed 15 to 30% from 29 Sept. to 1 Oct.
Slightly below predicted monthly values on other days.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au/1/2/1.

IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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