[Ips-wsgr] IPS Weekly Solar and Geophysical Report (16 July 10)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 16 JULY 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (09 JULY - 15 JULY)
Date     09    10    11    12    13    14    15
10cm     80    80    83    80    79    78    76
AFr       4     0     2     2     1     7 ( 12)
Aaus      5     2     3     3     1     6 (  8)
T        24    19    11     9    10     4    22

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

09 Jul 
Solar:        Low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Depressed by 20% during local day to near predicted monthly
      values. Depressed by 15% during local night.
   Niue Island Region:
      Depressed by 20% during local day to near predicted monthly
      values. Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day to near predicted monthly
      values. Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day. Enhanced by
      30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

10 Jul 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Depressed by 15% to near predicted monthly values during
      local day. Near predicted monthly values during local night.
   Niue Island Region:
      Mostly near predicted monthly values. Depressed by 20%
      after local dawn.
   Northern Australian Region:
      Depressed by 15% to near predicted monthly values 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
      30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

11 Jul 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Depressed by 15% to near predicted monthly values during
      local day. Near predicted monthly values.
   Niue Island Region:
      Depressed by 15% to near predicted monthly values during
      local day. Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   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.

12 Jul 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Mostly 15-30% depressed. Sporadic E observed 15-20 UT.
   Niue Island Region:
      Near predicted monthly values to 25% depressed.
   Northern Australian Region:
      Near predicted monthly values to 30% depressed.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values to 20% depressed.
      Night spread F observed at all stations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

13 Jul 
Solar:        Low
Geomagnetic:  Quiet 
Frequencies:  
   Cocos Island Region:
      Mostly 15-30% depressed.
   Niue Island Region:
      Mostly 15-30% depressed.
   Northern Australian Region:
      Near predicted monthly values to 25% depressed. Night
      spread F observed.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values; occasional
      depressions to 30%. Night spread F observed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

14 Jul 
Solar:        Low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Cocos Island Region:
      Mostly 15-30% depressed.
   Niue Island Region:
      Mostly 15-30% depressed. Sporadic E 06-07 UT and night
      spread F observed.
   Northern Australian Region:
      Near predicted monthly values to 30% depressed. Night
      spread F observed.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Occasional depressions
      to 30%. Night spread F observed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

15 Jul 
Solar:        Very low
Geomagnetic:  Quiet to active. An isolated minor storm period 
              at Learmonth and high latitudes. 
Frequencies:  
   Cocos Island Region:
      Mostly 15-30% depressed. Sporadic E observed 07-08 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 25%
      05-08 UT. Occasional night spread F observed.
   Northern Australian Region:
      Near predicted monthly values with depressions to 30%
      00-01, 06-08 UT; and also at Darwin, 16-19 UT. Night
      spread F observed at Townsville.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Enhancements to
      40% observed at all stations except Norfolk Is., 12-19
      UT. Night spread F observed at Brisbane, Hobart and
      Norfolk Is.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to around 05 UT then
      depressed to 30%.

2. FORECAST (16 JULY - 22 JULY)
Solar: Very low to low

Geomagnetic: Mostly quiet. Unsettled periods possible 16 and
             22 July.

Frequencies: Near predicted monthly values to 25% 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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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