[Ips-wgr] IPS Weekly Geo. Report (05 February 09)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 05 FEBRUARY 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (27 JANUARY - 04 FEBRUARY)
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               
 27 Jan   2112 1112    4     
 28 Jan   2111 1112    4     
 29 Jan   2222 1112    5    
 30 Jan   1212 1112    4    
 31 Jan   3322 3222   10    
 01 Feb   2221 0011    3    
 02 Feb   2211 0012    3    
 03 Feb   1121 0124    6    
 04 Feb   3223 3333   13    

*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. Increased activity late on 3 Feb and
4 Feb.

2. FORECAST (05 FEBRUARY - 07 MARCH)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
15 Feb, 22 Feb, 3 Mar.

Best Quiet Periods: 
6 Feb to 14 Feb, 16 Feb to 21 Feb, 23 Feb to 2 Mar, 4 Mar to 7 Mar.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
Disturbed Periods: None
Best Quiet Periods: 06 Feb to 14 Feb, 17 Feb to 26 Feb, 1 Mar to 7 Mar

Central Australian Regions:
Disturbed Periods: None
Best Quiet Periods: 06 Feb to 14 Feb, 18 Feb to 26 Feb, 1 Mar to 7 Mar

Southern Australian Regions:
Disturbed Periods: 15 Feb to 17 Feb, 27 to 28 Feb
Best Quiet Periods: 06 Feb to 14 Feb, 18 Feb to 26 Feb, 1 Mar to 7 Mar

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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