[Ips-wsgr] IPS Weekly Solar and Geophysical Report (27 September 13) issued 0237 UT on 27 Sep 2013

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 27 SEPTEMBER 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (20 SEPTEMBER - 26 SEPTEMBER)
Date     20    21    22    23    24    25    26
10cm    109   110   111   108   110   111   110
AFr       5     8     6     4     9     4 (  2)
Aaus      4     5     3     2    11     3 (  1)
T        59    62    60    70    81    80    73

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

20 Sep 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced 10-35% during 03-08 UT.
      Depressed 20-30% during 13-20 UT.
   Niue Island Region:
      Enhanced 10-25% during 00-11 UT.
      Depressed 30% during 14-17 UT.
   Northern Australian Region:
      Enhanced 10-20% during 00-05 UT.
      Depressed 10-30% during 13-20 UT.
   Southern Australian and New Zealand Region:
      Mostly depressed 10-30%.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

21 Sep 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 10-40% during 4-14 UT and 17-19 UT.
   Niue Island Region:
      Depressed by 10-35% for most of the UT day.
   Northern Australian Region:
      Depressed by 5-30% during 07-13 UT and 15-20 UT.
      Otherwise near predicted monthly values.
   Southern Australian and New Zealand Region:
      Slightly depressed by 5% during 00-08 UT.
      Otherwise near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

22 Sep 
Solar:        very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Depressed 5-15% during 04-06 UT, 09-12 UT, 16-17 UT
      Depressed 30% during 20-22 UT. 
   Niue Island Region:
      Near predicted monthly values 04-05 UT and 11-12 UT.
      Depressed by 5-35% for most of the day.   
   Northern Australian Region:
      Enhanced up to 10% during 13-14 UT.
      Depressed 5-25% for most of the day.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during 12-22 UT.
      Depressed by 5-15% for east coast stations during 00-12 UT.
      Depressed by 5-20% for Perth and Learmonth most of the UT day.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

23 Sep 
Solar:        very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 30% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
   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.

24 Sep 
Solar:        low
Geomagnetic:  Quiet to Active with short periods of Minor Storm
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island 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/Davis/Mawson):
      Near predicted monthly values over the UT day.

25 Sep 
Solar:        low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 45% during local day.
      Enhanced by 60% 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/Davis/Mawson):
      Near predicted monthly values over the UT day.

26 Sep 
Solar:        very low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day.
      No data available during local night.
   Niue Island 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/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (27 SEPTEMBER - 03 OCTOBER)
Solar: 
Very Low to Low

Geomagnetic:  
Mostly Quiet. Unsettled periods possible from 30 September to 3 October.

Frequencies:  
MUFs mostly near predicted monthly values. Minor mild MUF enhancements possible
at times.


For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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