[Ips-wgr] IPS Weekly Geo. Report (25 October 07)
rwc
rwc at ips.gov.au
Thu Oct 25 12:36:48 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 25 OCTOBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (16 OCTOBER - 24 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
16 Oct 1211 2211 4
17 Oct 2211 0111 3
18 Oct 2224 2233 11
19 Oct 3223 5332 16
20 Oct 2333 2222 10
21 Oct 2322 2122 7
22 Oct 2221 1333 9
23 Oct 3223 2121 8
24 Oct 2111 2112 4
*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 19 Oct.
Quiet to unsettled on other days.
2. FORECAST (25 OCTOBER - 24 NOVEMBER)
Disturbed Periods:
Active 25 Oct to 27 Oct.
Best Quiet Periods:
1 Nov to 13 Nov, 17 Nov to 19 Nov.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 28 Oct to 12 Nov, 16 Nov to 20 Nov.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 29 Oct to 12 Nov, 16 Nov to 20 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.
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