[Ips-wgr] IPS Weekly Geo. Report (03 May 07)
rwc at ips.gov.au
Thu May 3 12:21:25 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 03 MAY 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (24 APRIL - 02 MAY)
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
Date K-INDICES A
24 Apr 2212 1111 4
25 Apr 2221 2211 5
26 Apr 2212 2212 6
27 Apr 3223 3333 13
28 Apr 3345 4433 23
29 Apr 2343 3322 13
30 Apr 3343 2311 12
01 May 2231 2122 7
02 May 2111 1101 3
*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.
The active levels observed 28-30 April due to a coronal hole
solar wind stream. Mostly quiet to unsettled on other days.
2. FORECAST (03 MAY - 02 JUNE)
Disturbed Periods: 6-10 & 24-27 May.
Best Quiet Periods: 11-23 May.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: 6-10 & 23-26 May.
Best Quiet Periods: 11-19 May, 28-29 May.
Southern Australian Regions:
Disturbed Periods: 6-10 & 25-26 May.
Best Quiet Periods: 3-5 May, 11-21 May, 28-29 May.
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
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