[Ips-wgr] IPS Weekly Geo. Report (19 October 06)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 19 OCTOBER 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (10 OCTOBER - 18 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               
 10 Oct   2210 0111    3     
 11 Oct   2211 2101    4     
 12 Oct   1211 2212    5    
 13 Oct   2333 3233   13    
 14 Oct   3334 3333   16    A weak (14nT) impulse was observed in the IPS
magnetometer data at 1059UT on 14 Oct.
 15 Oct   2333 2221    9    
 16 Oct   2222 2212    6    
 17 Oct   1212 1101    3    
 18 Oct   1112 0011    2    

*estimated from real time data

Quiet to unsettled conditions.

2. FORECAST (19 OCTOBER - 18 NOVEMBER)
Disturbed Periods: 
active on 21 Oct, active on 28 Oct, active on 9 Nov.

Best Quiet Periods: 
 22 Oct to 26 Oct,  29 Oct to 2 Nov,  4 Nov to 8 Nov,  13 Nov to 14 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 19 Oct to 14 Nov.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods:  19 Oct,  23 Oct to 2 Nov,  6 Nov to 8 Nov,  12 Nov to
14 Nov.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods:  19 Oct,  23 Oct to 3 Nov,  6 Nov to 8 Nov,  12 Nov to
14 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.

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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