[Ips-wgr] IPS Weekly Geo. Report (25 January 07)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 25 JANUARY 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (16 JANUARY - 24 JANUARY)
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               
 16 Jan   2422 3333   13     
 17 Jan   3333 3233   14     
 18 Jan   3343 3323   15    
 19 Jan   2323 3223   11    
 20 Jan   3233 2223   11    
 21 Jan   3232 2222    9    
 22 Jan   2122 1222    6    
 23 Jan   3222 1111    6    
 24 Jan   1121 1112    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 (25 JANUARY - 24 FEBRUARY)
Disturbed Periods: 
active 29 Jan to 31 Jan, active 11 Feb to 13 Feb.

Best Quiet Periods: 
 25 Jan to 28 Jan,  2 Feb to 9 Feb,  16 Feb to 20 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 25 Jan to 20 Feb.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 25 Jan to 26 Jan,  1 Feb to 10 Feb,  15 Feb to 20 Feb.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 25 Jan to 26 Jan,  1 Feb to 10 Feb,  16 Feb to 20 Feb.

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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