[Ips-wgr] IPS Weekly Geo. Report (27 September 07)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 27 SEPTEMBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (18 SEPTEMBER - 26 SEPTEMBER)
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               
 18 Sep   2211 2111    4     
 19 Sep   1222 1111    4     
 20 Sep   1212 2233    8    
 21 Sep   2122 2223    7    
 22 Sep   3332 3332   13    
 23 Sep   3333 2213   11    
 24 Sep   2332 3212    9    
 25 Sep   2121 1122    5    
 26 Sep   2121 1111    4    

*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 (27 SEPTEMBER - 27 OCTOBER)
Disturbed Periods: 
Active on 29 Sep to 30 Sep, 3 Oct. 

Best Quiet Periods: 
27 Sep, 01 Oct, 05 Oct to 16 Oct, 22 Oct to 23 Oct.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

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

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods:  27 Sep,  4 Oct to 17 Oct,   23 Oct.

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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