[Ips-wsgr] IPS Weekly Solar and Geophysical Report (22 September 06)

rwc rwc at ips.gov.au
Fri Sep 22 10:58:56 EST 2006


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 22 SEPTEMBER 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 SEPTEMBER - 21 SEPTEMBER)
Date     15    16    17    18    19    20    21
10cm     80    79    78    74    73    71    71
AFr       0     1     9    16     8     3 (  5)
Aaus      1     2     9    15    11     1 (  2)
T        25    32    34    22     4     2     4

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

15 Sep 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed up to 15% at times during local day,
      otherwise mostly near predicted monthly values.
   Northern Australian Region:
      Depressed up to 15% at times during local day,
      otherwise mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

16 Sep 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values.
      Enhanced by 25% 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 during local day.
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

17 Sep 
Solar:        Very low
Geomagnetic:  Quiet to unsettled with isolated active periods. 
Frequencies:  
   Equatorial PNG/Niue Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted montly values.

18 Sep 
Solar:        Low
Geomagnetic:  Quiet to active 
Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% 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.

19 Sep 
Solar:        Very low
Geomagnetic:  Quiet to active 
Frequencies:  
   Equatorial PNG/Niue 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.

20 Sep 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Mostly near predicted monthly values with depressions to
   30% mostly during the period 00-07 UT and observed at low
   and mid latitudes. Near predicted at the high latitudes.

21 Sep 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 25% 02-07 UT at Port Moresby. Near
      predicted monthly values at Niue with sporadic E
      observed 01-07 UT.
   Northern Australian Region:
      Depressed up to 30% 00-07 UT. Near predicted monthly
      values at other times.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions in MUFs
      to 30% from 10-13 UT at Canberra and Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

 
2. FORECAST (22 SEPTEMBER - 28 SEPTEMBER)
Solar: Very low

Geomagnetic: Active on 22 Sep later in the day, active to minor
storm periods on 23 Sep, quiet to unsettled on other days.

Frequencies: Depressions 20-40% on 23 and 24 Sep with MUFs near
predicted monthly values on other days.

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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