[Ips-wsgr] IPS Weekly Solar and Geophysical Report (21 January 11)

Fri Jan 21 12:47:32 EST 2011

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 21 JANUARY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (14 JANUARY - 20 JANUARY)
Date     14    15    16    17    18    19    20
10cm     79    80    80    82    81    81    82
AFr       6     2     3     4     3     5 (  5)
Aaus     10     6     6     6     5     9 (  7)
T         4     3     5    -1     3    20     2

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

14 Jan 
Solar:        Low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

15 Jan 
Solar:        Low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      No data available during local night.
   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.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

16 Jan 
Solar:        Very low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Cocos Island Region:
      Depressed by 30% during local day.
      Depressed by 40% during local night.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

17 Jan 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with depressions to 30%
      08-10, 12-21 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 30%
      00-01, 04-05 and 20 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 30%
      07-21 UT at Darwin. No data for Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 30%
      02-07, 10-17 UT at Brisbane, 02-05, 10-15 UT at
      Canberra, 11-18 UT at Hobart, 01-09, 18-21 UT at
      Norfolk Is. and 10-15 UT at Sydney.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions to 35%
      14-17 UT at Macquarie Is., depressions to 20% 03-06,
      18 UT at Mawson.

18 Jan 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with depressions to 35%
      11-13 UT.
   Niue Island Region:
      Depressed 15% with depressions to 50% 00-01 UT and
      depressions to 35% 02-06, 12-17 and 20-23 UT. Sporadic
      E observed 03-05 and spread F 14-16 UT.
   Northern Australian Region:
      Near predicted monthly values at Darwin with
      depressions to 45% 14-21 UT. Sporadic E observed 21-22
      UT. No data for Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 30%
      02-06, 18-19 UT at Brisbane, 00-07 at Norfolk Is.,
      depressions to 25% 00-07, 12-19 UT at Canberra, 01-06,
      13-14 UT at Sydney and 00-08, 17-18 UT at Hobart.
      Occasional sporadic E and night spread F observed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%
      17-19 UT at Casey and to 20% 02-03, 12-13 UT at Mawson.
      No data for Macquarie Is. 04-21 UT.

19 Jan 
Solar:        Very low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with depressions to 35%
      11-12 and 21-23 UT. No data 13-20 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 30%
      00-06 and 19-23 UT. Blanketing sporadic E 02 UT.
   Northern Australian Region:
      Near predicted monthly values to 30% enhanced.
      Depressions to 35% 18-21 UT. No data for Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 25%
      mostly between 01-07 and 17-21 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 25%
      mostly 09-17 and 21 UT.

20 Jan 
Solar:        Very low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with 25-40% depressions
      11-23 UT.
   Niue Island Region:
      Depressed 15-40% 00-21 UT then near predicted monthly
      values.
   Northern Australian Region:
      Near predicted monthly values with 20-40% depressions
      17-21 UT. No data for Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 35%
      00-06 at Brisbane, Canberra, Norfolk Is. and Sydney.
      Depressions to 20% 20-23 UT at Brisbane, to 35% 11-21
      UT at Norfolk Is. and to 30% 15-21 UT at Perth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 25%
      00-08, 14-18 UT at Macquarie Is. and 10-14, 19-20 UT
      at Mawson.

2. FORECAST (21 JANUARY - 27 JANUARY)
Solar: Very low to low.

Geomagnetic: Quiet to unsettled conditions. Increased activity
   possible on 22, 25 and 27 January.

Frequencies: Near predicted monthly values to 30% depressed.

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
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