[Ips-wgr] IPS Weekly Geo. Report (19 June 08)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 19 JUNE 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (10 JUNE - 18 JUNE)
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               
 10 Jun   1111 1111    3     
 11 Jun   1121 1101    3     
 12 Jun   1111 1111    3    
 13 Jun   1110 0011    1    
 14 Jun   1111 2335   12    
 15 Jun   3343 3223   14    
 16 Jun   2224 2323   11    
 17 Jun   2333 2222   10    
 18 Jun   2333 2111    8    

*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 (19 JUNE - 19 JULY)
Disturbed Periods: 
active on 11 Jul to 12 Jul.

Best Quiet Periods: 
 22 Jun to 23 Jun,  29 Jun to 2 Jul,  5 Jul to 9 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods:  22 Jun.
 Best Quiet Periods:  19 Jun,  25 Jun to 28 Jun,  1 Jul to 4 Jul.

Southern Australian Regions:
 Disturbed Periods: 7 Jul to 8 Jul.
 Best Quiet Periods: 25 Jun to 3 Jul.

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.

PLEASE NOTE:
Geomagnetic activity can frequently be determined by short timescale 
solar events that cannot be forecast a week in advance, particularly
at solar maximum.

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