[Ips-wgr] IPS Weekly Geo. Report (12 July 12) issued 0206 UT on 12 Jul 2012

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 12 JULY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (03 JULY - 11 JULY)
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               
 03 Jul   2223 2312    8  
 04 Jul   2322 2011    6  
 05 Jul   2213 3322    9  
 06 Jul   2222 2243   10  
 07 Jul   2222 1112    5  
 08 Jul   2223 2113    8  
 09 Jul   3234 4323   16  
 10 Jul   2223 2222    8  
 11 Jul   2233 1112    7  

*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.


Active on 9 Jul.   Quiet to unsettled on other days.

2. FORECAST (12 JULY - 11 AUGUST)
Disturbed Periods: 
15 Jul,  27-29 Jul.

Best Quiet Periods: 
 12-14 Jul,  16-21 Jul,  24-25 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
 Disturbed Periods: None.
 Best Quiet Periods: 12-23 Jul, 30 Jul to 4 Aug. 

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 12-22 Jul, 30 Jul to 4 Aug.

Southern Australian Regions:
 Disturbed Periods: 27-29 Jul.
 Best Quiet Periods: 12-22 Jul, 31 Jul to 4 Aug.


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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