[Ips-wgr] IPS Weekly Geo. Report (17 May 07)

rwc rwc at ips.gov.au
Thu May 17 13:13:12 EST 2007


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 17 MAY 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 MAY - 16 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               
 08 May   2333 3222   11     
 09 May   2321 2111    6     
 10 May   2111 0121    3    
 11 May   2111 1111    3    
 12 May   2111 1111    3    
 13 May   1211 0111    3    
 14 May   1111 1121    3    
 15 May   1212 1111    4    
 16 May   1211 1012    3    

*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 (17 MAY - 16 JUNE)
Disturbed Periods: 
active 19 May to 20 May, active 24 May to 26 May.

Best Quiet Periods: 
 17 May to 18 May,  21 May to 23 May,  29 May to 2 Jun,  5 Jun to 11 Jun.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: 23 May to 26 May.
 Best Quiet Periods: 18 May to 19 May,  29 May to 1 Jun,  6 Jun to 12 Jun.

Southern Australian Regions:
 Disturbed Periods: 25 May to 26 May.
 Best Quiet Periods: 17 May to 21 May,  28 May to 1 Jun,  6 Jun to 12 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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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