[Ips-wgr] IPS Weekly Geo. Report (03 July 08)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 03 JULY 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 JUNE - 02 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               
 24 Jun   1111 0112    3     
 25 Jun   2221 1222    6     
 26 Jun   3334 2232   13    
 27 Jun   3323 2321   10    
 28 Jun   1212 2221    5    
 29 Jun   2222 1122    6    
 30 Jun   2111 2121    4    
 01 Jul   2222 3111    6    
 02 Jul   1111 1001    2    

*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.

The remained predominantly at quiet to unsettled levels during this 
period with isolated active periods on 26 June due to the effect of
a recurrent coronal hole.

2. FORECAST (03 JULY - 02 AUGUST)
Disturbed Periods: 
Active periods possible on 11, 12 and 23 Jul.

Best Quiet Periods: 
 3 Jul, 5 to 10 Jul, 16 Jul, 18 Jul to 21 Jul, 25 Jul,  
 and 27 Jul to 29 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods:  3 Jul,  6 Jul to 9 Jul,  14 Jul to 26 Jul.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 3 Jul to 8 Jul,  14 Jul to 26 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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