[Ips-wsgr] IPS Weekly Solar and Geophysical Report (28 June 13) issued 0146 UT on 28 Jun 2013

rwc rwc at ips.gov.au
Fri Jun 28 11:46:44 EST 2013


SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 28 JUNE 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (21 JUNE - 27 JUNE)
Date     21    22    23    24    25    26    27
10cm    133   130   128   121   109   107   100
AFr      17    13    16    14     9     2 ( 10)
Aaus      9     9    12    12     5     4 (  3)
T        86    86    76    80    69    63    57

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

21 Jun 
Solar:        Moderate, with an M2.9 flare at 0317 UT
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced by 40% during local day.
      Depressed by 20% 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.

22 Jun 
Solar:        Low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values 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 during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

23 Jun 
Solar:        Moderate, with an M2.9 flare at 2056 UT
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced by 40% during local day.
      Depressed by 25% 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.

24 Jun 
Solar:        Low
Geomagnetic:  Quiet to unsettled. Isolated activity 15-18 UT.
Frequencies:  
   Cocos Island Region:
      Enhanced 15-35% 01-10 UT. Near predicted monthly values
      to 15% depressed at other times.
   Niue Island Region:
      Near predicted monthly values with 15-25% depressions
      07-13, 15-17 UT. Enhancements to 30% at 20-21 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions 25-30% at Darwin
      16-18 UT. Spread F at Townsville 12-20 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Enhancements to 25% mostly
      07-17 UT. Spread F 04-21 UT at Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values, weak ionosphere.

25 Jun 
Solar:        low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Enhanced 20-50% 03, 06-11 UT. Depressed 15-20% 13-15,
      17-18, 23 UT, depressed 30-40% 16, 19-21 UT. Near
      predicted monthly values at other times.
   Niue Island Region:
      Near predicted monthly values. Depressed 20-35% 07-10 UT
   Northern Australian Region:
      Near predicted monthly values. Depressed 25-40% 11-12,
      16-18 UT at Darwin. Also at Darwin, sporadic E 03-07 UT,
      obscuring the F region 03-04 UT and night spread F.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Depressed by 30% 09-21 at some stations. Night spread F at
      all stations. Evening and night sporadic E observed at times.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

26 Jun 
Solar:        Low
Geomagnetic:  Quiet
Frequencies:  
   Cocos Island Region:
      Enhanced 35-60% 06-11, 17-18 UT. Near predicted
      monthly values at other times.
   Niue Island Region:
      Near predicted monthly values. Depressions of
      15-30% 07-08, 17 and 20-21 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressed 20-40% at
      Darwin 10-18 UT and depressed 15-30% at Townsville
      09-13 UT. Occasional night spread F observed at both
      stations.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with 15-30% depressions
      at times 07-19 UT. Night spread F observed at most
      stations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 20%
      at times.

27 Jun 
Solar:        Low
Geomagnetic:  Quiet to unsettled
Frequencies:  
   Cocos Island Region:
      Near predicted monthly values. Depressions of
      20-30% 14-16, 18-23 UT.
   Niue Island Region:
      Near predicted monthly values. Depressions of
      20-25% 12-13, 21-22 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions of
      20-30% 03, 06, 10-14, 17 UT at Darwin.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions 20-35%
      at Hobart 09, 13-18 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values on a weak
      ionosphere.

2. FORECAST (28 JUNE - 04 JULY)
Solar: Low. Chance of moderate activity.

Geomagnetic: Active on 28 Jun. Possible active periods 3 Jul.
Quiet to unsettled on other days.

Frequencies: Near predicted monthly values. Depressions to 25%
possible 28-29 Jun. Degraded propagation conditions 28-30 Jun.

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
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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