[Ips-wgr] IPS Weekly Geo. Report (11 October 07)

rwc rwc at ips.gov.au
Thu Oct 11 10:44:04 EST 2007


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 11 OCTOBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (02 OCTOBER - 10 OCTOBER)
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               
 02 Oct   2121 1112    4     
 03 Oct   2232 4222   10     
 04 Oct   2223 3211    8    
 05 Oct   2222 2111    5    
 06 Oct   1112 2112    4    
 07 Oct   2111 2111    4    
 08 Oct   1111 0011    2    
 09 Oct   1111 1011    2    
 10 Oct   1111 1101    2    

*estimated from real time data

NOTE: Indices may have been generated from data obtained in 
cooperation with the following organisations: Geoscience Australia, 
University of Newcastle Space Physics Group, Australian Government 
Antarctic Division and Space Environment Research Center, Japan.


Quiet to unsettled conditions.

2. FORECAST (11 OCTOBER - 10 NOVEMBER)
Disturbed Periods: 
active on 26 Oct.

Best Quiet Periods: 
 11 Oct to 16 Oct,  22 Oct to 23 Oct,  1 Nov to 6 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 11 Oct to 17 Oct,  21 Oct to 23 Oct,  27 Oct to 6 Nov.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 11 Oct to 17 Oct,  22 Oct to 23 Oct,  28 Oct to 6 Nov.

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.

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