[Ips-wsgr] IPS Weekly Solar and Geophysical Report (27 June 08)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 27 JUNE 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (20 JUNE - 26 JUNE)
Date     20    21    22    23    24    25    26
10cm     65    65    65    65    66    66    65
AFr       8     4     2     2     3    10 ( 12)
Aaus      7     2     2     2     3     6 ( 13)
T         3    -2    -0    -1    -3     9     2

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian Region.
Frequencies:  Australian Ionospheric F2 critical frequencies

20 Jun 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 
Frequencies:  
near predicted monthly values

21 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

22 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day, 
      Near predicted monthly values 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:
      Near predicted monthly values. 
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. 

23 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Depressed by 15% 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:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 25% over the UT day.

24 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 45% over the UT day.

25 Jun 
Solar:        very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day,
      Enhanced by 15% 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):
      Enhanced by 30% over the UT day.

26 Jun 
Solar:        very low
Geomagnetic:  Mostly quiet to unsettled with an isolated active 
              period on most locations between 0800 and 1200UT 
              and storm conditions at high latitude stations 
              during this period. 
Frequencies:  
   Equatorial PNG/Niue Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 30% after local dawn.
   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 with some enhancements
      at times.
 
2. FORECAST (27 JUNE - 03 JULY)
Solar: 
Very low. 

Geomagnetic:  
Mostly quiet to unsettled conditions on 27 and 28 June 
with some possibility of isolated active conditions on 
high and mid-latitudes. Mostly quiet on most locations 
on other days.

Frequencies:  
MUFs mostly near predicted monthly values throughout this 
period with some possibility of minor depressions at times 
on mid and high latitudes on 27 and 28 June.

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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