[Ips-wsgr] IPS Weekly Solar and Geophysical Report (27 November 09)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 27 NOVEMBER 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (20 NOVEMBER - 26 NOVEMBER)
Date     20    21    22    23    24    25    26
10cm     76    76    76    76    75    74    75
AFr       2     6     2     0     3     4 (  4)
Aaus      5     8     6     3     9     7 (  6)
T         9     3   -10    -9    -2    15    -7

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian region.
Frequencies:  Australian ionospheric F2 critical frequencies

20 Nov 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Niue Island Region:
      Depressed by 25% during local day,
      Enhanced by 20% during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced 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.

21 Nov 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
near predicted monthly values

22 Nov 
Solar:        very low
Geomagnetic:  Quiet with Active periods at high latitudes. 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Niue Island Region:
      No data available 
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% 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):
      Near predicted monthly values over the UT day.

23 Nov 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island 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:
      Depressed by 15% 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 with
      periods of degradations. 

24 Nov 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Niue Island Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

25 Nov 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Cocos Island Region:
     Near predicted monthly values.
  Niue Island Region:
     Enhanced by 15% during local day,
     Near predicted monthly values 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 25% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Depressed by 15% over the UT day.

26 Nov 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 20% during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 15% 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.

 
2. FORECAST (27 NOVEMBER - 03 DECEMBER)
Solar: 
Very low

Geomagnetic:  
Mostly quiet conditions.

Frequencies:  
MUFs near predicted monthly values.

For an explanation of some of the terms in this report, go to
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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