[Ips-wgr] IPS Weekly Geo. Report (31 August 06)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 31 AUGUST 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (22 AUGUST - 30 AUGUST)
K indices are in UT (0-24). For conversion to local time:
AEST = UT + 10 hours; ACST = UT + 9.5 hours; AWST = UT + 8 hours
        Australian Region*              
 Date     K-INDICES    A               
 22 Aug   2344 3431   17     
 23 Aug   1230 1111    4     
 24 Aug   1211 1311    5    
 25 Aug   1111 0000    1    
 26 Aug   1110 0001    1    
 27 Aug   1223 3333   11    
 28 Aug   3322 2332   11    
 29 Aug   2223 2221    7    
 30 Aug   2222 1211    5    

*estimated from real time data

Active on 22 Aug possibly due to a coronal hole wind stream.
Quiet to unsettled on other days.

2. FORECAST (31 AUGUST - 30 SEPTEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
  31 Aug,  3 Sep to 5 Sep,   8 Sep,   14 Sep,  16 Sep to 18 Sep,  23 Sep to
25 Sep.

Best Quiet Periods: 
 1 Sep to 2 Sep,  6 Sep to 7 Sep,  9 Sep to 13 Sep,   15 Sep,  19 Sep to 22
Sep,   26 Sep.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions: NA

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 31 Aug to 2 Sep,  6 Sep to 22 Sep,   26 Sep.

Pc3 pulsations are high frequency (10-45 second period) variations 
of the Earths magnetic field. Daily pc3-indices are the daily sum of 
20 minute pc3-indices for that station and have been shown to be well 
correlated with rejection of high resolution aeromagnetic survey 
flight-line data.

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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