[Ips-wsgr] IPS Weekly Solar and Geophysical Report (15 February 08)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 15 FEBRUARY 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 FEBRUARY - 14 FEBRUARY)
Date     08    09    10    11    12    13    14
10cm     71    72    73    72    72    71    71
AFr       3     2    13    16     6    10 (  8)
Aaus      6     5    18    13    10    11 (  9)
T         0     4    15    -1    -2     3     0

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

08 Feb 
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):
      Near predicted monthly values over the UT day.

09 Feb 
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.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

10 Feb 
Solar:        Very low
Geomagnetic:  Quiet to active 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced greater than 30% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day. Near predicted
      monthly values to 15% depressed during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 15% depressed.

11 Feb 
Solar:        Very low
Geomagnetic:  Mostly quiet to unsettled with isolated active 
              periods 

Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values. Depressions to
      30% observed at Vanimo 18-20 UT and Niue 01-05 UT.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

12 Feb 
Solar:        Very low
Geomagnetic:  Mostly quiet to unsettled with isolated active 
              periods observed at some stations 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values. Enhancements at Vanimo
      09-20 UT.
   Northern Australian Region:
      Near predicted monthly values with enhancements 04-09
      UT and depressions to 30% at Brisbane. Depressions to
      30% at Townsville 00-02, 11-16 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 30%
      mostly 10-16 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

13 Feb 
Solar:        Very low
Geomagnetic:  Mostly quiet to unsettled 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values. Enhancements at Vanimo
      07-19 UT and depressions to 30% at Niue 10-12 UT.
   Northern Australian Region:
      Near predicted monthly values. Depresssions to 30% at
      Brisbane 01-04 UT and Townsville/Brisbane 13-16 UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Depressions to
      25% at Hobart 00 UT and 15-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

14 Feb 
Solar:        Very low
Geomagnetic:  Quiet to unsettled 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values. Occasional night time
      depressions to 30% observed at Darwin and Brisbane.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30%
      observed at some stations 10-19 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values. Depressions to
      30% observed at Casey.

 
2. FORECAST (15 FEBRUARY - 21 FEBRUARY)
Solar: Low

Geomagnetic: Quiet to unsettled conditions.

Frequencies: MUFs near predicted monthly values. Occasional
depressions to 30% possible at all latitudes on the 15th.
F region communications during the week may be affected at
times due to sporadic E.

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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