[Ips-wsgr] IPS Weekly Solar and Geophysical Report (04 March 11)

Fri Mar 4 14:14:43 EST 2011

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 04 MARCH 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (25 FEBRUARY - 03 MARCH)
Date     25    26    27    28    01    02    03
10cm     88    90    90    96   111   113   121
AFr       1     2     1     2    18    12 ( 15)
Aaus      3     4     4     4    21    14 ( 12)
T        30    38    27    36    44     4    40

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

25 Feb 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values with enhancements to
      35% 06-15 UT.
   Niue Island Region:
      Near predicted monthly values 00-03, 21-22 UT. Enhanced
      50% at 04 UT. Depressed to 25% 10, 20 UT. No data at
      other times.
   Northern Australian Region:
      Near predicted monthly values. Enhancements to 45%
      16-19 UT. Sporadic E observed 07-08 and 11 UT. No
      Townsville data.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 20%
      02-04 UT at Brisbane,r and Norfolk Is. Enhancements
      to 35% 06-09 UT and depressions to 30% 10-17 UT at
      all stations. Spread F observed at Hobart 12-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% enhanced.
      Occasional depressions to 30% 09-19 UT at Macquarie
      Is. and Casey.

26 Feb 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values 00-04, 22 UT. Enhanced to
      40% 05, 17-18 UT. No data at other times.
   Northern Australian Region:
      Near predicted monthly values with depressions to 25%
      02-03, 19 UT. Enhanced to 35% 07-17 UT. No Townsville
      data.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 20% 12-15
      UT at Brisbane, 20-21 UT at Norfolk Is. Enhanced to
      30% 07-10 UT at all stations. Spread F observed at
      Hobart 14-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 35%
      10-14, 18-20 UT at Macquarie Is. and Scott Base, and
      20-21 UT Casey and Mawson.

27 Feb 
Solar:        low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Enhancements to 25% 10,
      14-16, 22-23 UT.
   Niue Island Region:
      Enhanced to 50% 00-06 UT, depressed to 30% 08-19 UT.
      Near predicted monthly values at other times.
   Northern Australian Region:
      Near predicted monthly values with enhancements to 35%
      09-13 UT, 16 UT. No Townsville data.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 20%
      11-14, 23 UT at Brisbane, 10-14, 17-18 UT at Norfolk
      Is., 00, 11-13 UT at Canberra and Sydney, 03-07 UT at
      Perth and 00-16 UT at Hobart. Spread F observed 12-19
      UT at Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values with occasional
      depressions to 25%.

28 Feb 
Solar:        moderate, with an   M1.1 at 1254UT 
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 65% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

01 Mar 
Solar:        low
Geomagnetic:  Quiet to Minor Storm 
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Niue Island Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 75% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Depressed by 30% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

02 Mar 
Solar:        low
Geomagnetic:  Quiet to Active 
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day,
      Enhanced by 50% during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 35% during local day,
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 35% during local day,
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

03 Mar 
Solar:        low
Geomagnetic:  Quiet to Active 
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
   Niue Island Region:
      Variable conditions during local day,
      Enhanced by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values with periods of MUF depressions.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with periods of MUF depressions.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day periods of MUF
depressions.

2. FORECAST (04 MARCH - 10 MARCH)
Solar: 
Low

Geomagnetic:  
Unsettled to active on 4 and 5 March. Mostly quiet from 6 to 10 March.

Frequencies:  
MUFs near predicted monthly values.

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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