[Ips-wsgr] IPS Weekly Solar and Geophysical Report (26 February 10)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 26 FEBRUARY 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (19 FEBRUARY - 25 FEBRUARY)
Date     19    20    21    22    23    24    25
10cm     84    84    84    84    84    83    83
AFr       3     0     3     3     2     2 (  2)
Aaus      5     4     4     5     3     4 (  3)
T        39    36    46    52    44    48    34

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

19 Feb 
Solar:        very low
Geomagnetic:  Mostly quiet with isolated unsettled conditions. 

Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 30% during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 40% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

20 Feb 
Solar:        very low
Geomagnetic:  Quiet 

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

21 Feb 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Cocos Island Region:
      Enhanced by 30% during local day,
      Enhanced by 110% during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 35% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

22 Feb 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Cocos Island Region:
      Enhanced by 40% during local day,
      Enhanced by 60% during local night.
   Niue Island Region:
      Enhanced by 30% during local day,
      Enhanced by 60% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 35% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

23 Feb 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day,
      Enhanced by 45% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 60% during local night.
      Enhanced by 30% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

24 Feb 
Solar:        very 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 during local day,
      Enhanced by 45% during local night.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Enhanced by 65% during local night.
      Enhanced by 30% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 25% during local day,
      Enhanced by 15% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

25 Feb 
Solar:        very low
Geomagnetic:  Quiet 

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

 
2. FORECAST (26 FEBRUARY - 04 MARCH)
Solar: 
Very Low to Low 

Geomagnetic:  
Quiet to unsettled conditions at low to mid latitudes.
Quiet to Minor Storm at high latitudes.

Frequencies:  
MUFs near predicted monthly values or slightly enhanced.

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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