[Ips-wsgr] IPS Weekly Solar and Geophysical Report (23 December 05)

rwc rwc at ips.gov.au
Fri Dec 23 12:13:11 EST 2005


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 23 DECEMBER 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (16 DECEMBER - 22 DECEMBER)
Date     16    17    18    19    20    21    22
10cm     86    85    86    90    88    87    88
AFr       3     2     2     6    11     5   (6)
Aaus      9     5     5    11    14     9   (4)
T        23    12    11     5    17    24    14

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

16 Dec 
Solar:        low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Depressed by 20% 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):
      Near predicted monthly values over the UT day.

17 Dec 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Near predicted monthly values.

18 Dec 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
      Depressed 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.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

19 Dec 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

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

20 Dec 
Solar:        very low
Geomagnetic:  Quiet to unsettled with isolated active periods. 

Frequencies:  
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed 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):
      Depressed by 20% over the UT day.

21 Dec 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
      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):
      Depressed by 15% over the UT day.

22 Dec 
Solar:        low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Near predicted monthly values

 
2. FORECAST (23 DECEMBER - 29 DECEMBER)
Solar: 
Low

Geomagnetic:  
active on 28 Dec.
quiet to unsettled on other days.

Frequencies:  
briefly depressed after local dawn on 29 Dec
MUFs near predicted monthly values on other days.

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/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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