[Ips-wsgr] IPS Weekly Solar and Geophysical Report (07 August 09)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 07 AUGUST 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (31 JULY - 06 AUGUST)
Date     31    01    02    03    04    05    06
10cm     69    68    68    67    66    66    67
AFr       4     3     2     7     4     5 ( 11)
Aaus      5     5     2     4     3     4 (  8)
T        -1     0     4     4     6    12     6

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

31 Jul 
Solar:        very low
Geomagnetic:  Mostly quiet with some unsettled periods. 

Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
      Depressed by 25% after local dawn.
   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 with
      periods of minor to significant degradations.

01 Aug 
Solar:        very low
Geomagnetic:  Mostly quiet. 

Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   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):
      Near predicted monthly values over the UT day with
      periods of minor to moderate degradations.

02 Aug 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values with depressions to
      25% 03, 15-17 and 21-23 UT. Night spread F observed.
      No Vanimo data.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 40%
      observed at Cocos Is 04-12 UT and to 30% at Darwin
      02-06 and 19-21 UT. Enhancements to 30% at Townsville
      17-20 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Enhancements to 40%
      observed mostly between 10-21 UT. Depressions of
      15-30% observed Learmonth over the 24 hours.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

03 Aug 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   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 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

04 Aug 
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 20% 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):
      Near predicted monthly values over the UT day.

05 Aug 
Solar:        very low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG/Niue Region:
      Enhanced by 25% during local day,
      Enhanced by 65% during local night.
   Northern Australian Region:
      Depressed by 25% during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

06 Aug 
Solar:        very low
Geomagnetic:  Quiet to Active 

Frequencies:  
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Depressed by 20% 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 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

 
2. FORECAST (07 AUGUST - 13 AUGUST)
Solar: 
Low

Geomagnetic:  
Quiet to unsettled conditions.

Frequencies:  
MUFs near predicted monthly values.

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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