[Ips-wgr] IPS Weekly Geo. Report (25 May 06)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 25 MAY 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (16 MAY - 24 MAY)
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 May   1110 1111    2     
 17 May   1101 1211    3     
 18 May   2233 2332   11    
 19 May   2331 1121    7    
 20 May   2223 1111    6    
 21 May   2122 0121    4    
 22 May   2111 2123    6    
 23 May   2211 1111    4    
 24 May   1122 2111    4    

*estimated from real time data

Quiet to unsettled conditions.

2. FORECAST (25 MAY - 24 JUNE)
Disturbed Periods: 
active 6 Jun to 8 Jun.

Best Quiet Periods: 
26 May to 30 May, 10 Jun to 24 Jun.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 23 May to 17 Jun.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 21 May to 30 May, 3 Jun to 5 Jun, 9 Jun to 14 Jun.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 20 May to 31 May, 4 Jun, 10 Jun to 11 Jun, 15
Jun.

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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