[Ips-wgr] IPS Weekly Geo. Report (09 October 08)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 09 OCTOBER 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (30 SEPTEMBER - 08 OCTOBER)
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               
 30 Sep   1110 1223    5     
 01 Oct   2232 2322    9     
 02 Oct   2333 3222   11    
 03 Oct   2233 3223   11    
 04 Oct   2323 2212    8    
 05 Oct   2121 1112    4    
 06 Oct   2212 0002    3    
 07 Oct   2110 1111    3    
 08 Oct   1210 0001    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.


Quiet to unsettled conditions.

2. FORECAST (09 OCTOBER - 08 NOVEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 12 Oct to 13 Oct,   15 Oct,  29 Oct to 31 Oct.

Best Quiet Periods: 
 9 Oct to 11 Oct,   14 Oct,  16 Oct to 28 Oct,  1 Nov to 4 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: 28 Oct to 29 Oct.
 Best Quiet Periods: 9 Oct to 10 Oct,  13 Oct to 15 Oct.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 9 Oct to 26 Oct,  30 Oct to 3 Nov.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 9 Oct to 25 Oct,  1 Nov to 3 Nov.

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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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