[Ips-wsgr] IPS Weekly Solar and Geophysical Report (21 July 06)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 21 JULY 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (14 JULY - 20 JULY)
Date     14    15    16    17    18    19    20
10cm     71    70    71    71    71    71    72
AFr      10     5     2     2     2     2 (  2)
Aaus     10     3     1     2     2     1 (  1)
T        20    28    21    23    23    17    24

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

14 Jul 
Solar:        very low
Geomagnetic:  Quiet to Active 

Frequencies:  
   Equatorial PNG/Niue Region:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 15% 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 140% over the UT day.

15 Jul 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue 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 25% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 25% over the UT day.

16 Jul 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
     Near predicted monthly values.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 20% 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 35% over the UT day.

17 Jul 
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:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Enhanced by 40% over the UT day.

18 Jul 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
     Mostly 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):
     Enhanced by 30% over the UT day.

19 Jul 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

20 Jul 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
      Enhanced by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

 
2. FORECAST (21 JULY - 27 JULY)
Solar:
Very low to low.

Geomagnetic:  
Quiet conditions for the next few days with unsettled
to active conditions possible for 24-25 July, and unsettled
to quiet levels for 26-27 July.

Frequencies:  
MUFs near predicted monthly values, with depressions up to 15%
at times possible for 24-26 July.

For an explanation of some of the terms in this report, goto
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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