[Ips-wgr] IPS Weekly Geo. Report (16 October 08)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 16 OCTOBER 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (07 OCTOBER - 15 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               
 07 Oct   2110 1111    3     
 08 Oct   1210 0001    2     
 09 Oct   1110 0011    1    
 10 Oct   1211 1102    3    
 11 Oct   2243 4432   16    
 12 Oct   2333 3222   11    
 13 Oct   2222 2112    6    
 14 Oct   2121 1111    4    
 15 Oct   2321 2112    6    

*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.


Active on 11 Oct.
Quiet to unsettled on other days.

2. FORECAST (16 OCTOBER - 15 NOVEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 29 Oct to 31 Oct,  7 Nov to 9 Nov.

Best Quiet Periods: 
 16 Oct to 28 Oct,  1 Nov to 6 Nov,  10 Nov to 11 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: 28 Oct to 29 Oct.
 Best Quiet Periods:  10 Nov.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 16 Oct to 26 Oct,  30 Oct to 10 Nov.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 16 Oct to 25 Oct,  1 Nov to 6 Nov,  8 Nov to 10 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
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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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