[Ips-wgr] IPS Weekly Geo. Report (18 June 09)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 18 JUNE 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (09 JUNE - 17 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               
 09 Jun   1101 1101    2     
 10 Jun   1221 1001    3     
 11 Jun   1111 0111    2    
 12 Jun   1110 0001    1    
 13 Jun   0121 1101    2    
 14 Jun   2111 1111    3    
 15 Jun   1211 1101    3    
 16 Jun   1111 2100    2    
 17 Jun   1111 0001    1    

*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 conditions all week.

2. FORECAST (18 JUNE - 18 JULY)
Disturbed Periods: 
No significantly disturbed days expected in outlook period.

Best Quiet Periods: 
18 Jun to 18 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 18 Jun to 18 Jul.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 18 Jun to 18 Jul.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 18 Jun to 18 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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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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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