[Ips-wgr] IPS Weekly Geo. Report (29 November 07)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 29 NOVEMBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (20 NOVEMBER - 28 NOVEMBER)
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               
 20 Nov   3334 6433   26    
 21 Nov   2334 3222   12     
 22 Nov   2223 2443   14    
 23 Nov   3232 3122    9    
 24 Nov   2222 2332    9    
 25 Nov   2233 2322   10    
 26 Nov   2223 2122    7    
 27 Nov   2221 2112    5    
 28 Nov   2222 2312    7 


A weak (13nT) impulse was observed in the IPS magnetometer
data at 0909UT on 20 Nov
*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 20 Nov due to coronal hole effects, Quiet to Unsettled
on other days. 

2. FORECAST (29 NOVEMBER - 29 DECEMBER)
Disturbed Periods: 
Active 17 Dec to 19 Dec.

Best Quiet Periods: 
 29 Nov to 9 Dec,  12 Dec to 16 Dec,  24 Dec to 25 Dec.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 29 Nov to 4 Dec,  8 Dec to 11 Dec.

Southern Australian Regions:
 Disturbed Periods:  17 Dec.
 Best Quiet Periods: 29 Nov to 10 Dec.

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.

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