[Ips-wgr] IPS Weekly Geo. Report (18 October 07)

rwc rwc at ips.gov.au
Thu Oct 18 14:13:30 EST 2007


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 18 OCTOBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (09 OCTOBER - 17 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               
 09 Oct   1111 1011    2     
 10 Oct   1111 1101    2     
 11 Oct   1110 0011    1    
 12 Oct   1222 1222    6    
 13 Oct   1111 1012    3    
 14 Oct   2222 2211    6    
 15 Oct   1111 1211    3    
 16 Oct   1211 2211    4    
 17 Oct   2211 0111    3    

*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 (18 OCTOBER - 17 NOVEMBER)
Disturbed Periods: 18-20 & 25-27 Oct, possible active periods.

Best Quiet Periods: 1-13 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 26 Oct to 13 Nov.

Southern Australian Regions:
 Disturbed Periods:  18-20 Oct.
 Best Quiet Periods: 27 Oct to 12 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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