[Ips-wsgr] IPS Weekly Solar and Geophysical Report (12 January 07)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 12 JANUARY 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (05 JANUARY - 11 JANUARY)
Date     05    06    07    08    09    10    11
10cm     89    87    87    88    92    86    84
AFr       6     2     1     2     3     4 (  6)
Aaus      9     6     4     5     7    10 (  9)
T        12    21    15     7    15    14    20

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

05 Jan 
Solar:        Very low
Geomagnetic:  Quiet to unsettled 
Frequencies:  Near predicted monthly values

06 Jan 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   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.

07 Jan 
Solar:        Very low
Geomagnetic:  Quiet 

Frequencies:  Near predicted monthly values

08 Jan 
Solar:        Very low
Geomagnetic:  Quiet 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   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.

09 Jan 
Solar:        Very low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day.
      Depressed by 30% 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.

10 Jan 
Solar:        Low
Geomagnetic:  Quiet to unsettled 
Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values. Depressions to 60%
      observed at Port Moresby and Vanimo 11-18 UT.
   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. Enhancements to 30%
      observed at Casey at times.

11 Jan 
Solar:        Low
Geomagnetic:  Quiet to unsettled 
Frequencies:  Near predicted monthly values

 
2. FORECAST (12 JANUARY - 18 JANUARY)
Solar: Low

Geomagnetic: Active 16 Jan to 17 Jan. Quiet to unsettled
on other days.

Frequencies: Depressions to 30% likely on 17 Jan, 
recovering on 18 Jan. Otherwise, near predicted monthly
values. Summertime sporadic E may occasionally degrade/
disrupt HF communications.

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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