[Ips-wsgr] IPS Weekly Solar and Geophysical Report (15 April 11)

rwc rwc at ips.gov.au
Fri Apr 15 12:03:06 EST 2011


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 15 APRIL 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 APRIL - 14 APRIL)
Date     08    09    10    11    12    13    14
10cm    109   105   105   106   110   118   119
AFr       5     4     3     5    14    10 (  4)
Aaus      8     5     4     7    17     8 (  4)
T        73    78    62    61    69    62    62

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

08 Apr 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Cocos Island Region:
      Enhanced by 65% during local day,
      Enhanced by 60% during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day, otherwise
      mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

09 Apr 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Enhanced by 35% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

10 Apr 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Enhanced by 35% during local day,
      Enhanced by 20% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   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):
      Near predicted monthly values over the UT day.

11 Apr 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   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,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

12 Apr 
Solar:        low
Geomagnetic:  Quiet to Minor Storm 
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day,
      Depressed by 25% during local night.
   Niue Island Region:
      Enhanced by 15% during local day,
      Enhanced by 75% 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):
      Near predicted monthly values over the UT day.

13 Apr 
Solar:        low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
   Cocos Island Region:
      Enhanced by up to 20% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 15% after local dawn.
   Northern Australian Region:
      Near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

14 Apr 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Enhanced by 30% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 30% during local night.
   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.

 
2. FORECAST (15 APRIL - 21 APRIL)
Solar: 
Low to moderate

Geomagnetic:  
Quiet to unsettled conditions.

Frequencies:  
MUFs near predicted monthly values with the possibility of minor to moderate
enhancements. 

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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