[Ips-wgr] IPS Weekly Geo. Report (27 July 06)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 27 JULY 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (18 JULY - 26 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               
 18 Jul   1111 0110    2     
 19 Jul   0110 0001    1     
 20 Jul   1100 0111    1    
 21 Jul   1110 0000    1    
 22 Jul   1111 0001    1    
 23 Jul   1111 1101    2    
 24 Jul   1121 2211    4    
 25 Jul   2211 2111    4    
 26 Jul   2111 1000    2    

*estimated from real time data

Quiet to unsettled conditions.

2. FORECAST (27 JULY - 26 AUGUST)
Disturbed Periods: 
active 31 Jul to 1 Aug expected from recurrence.

Best Quiet Periods: 
 28 Jul to 29 Jul,  3 Aug to 5 Aug,   7 Aug,   9 Aug,  11 Aug to 21 Aug.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 27 Jul to 22 Aug.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 27 Jul to 30 Jul,  3 Aug to 22 Aug.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 27 Jul to 30 Jul,  3 Aug to 22 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.

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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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