[Ips-wgr] IPS Weekly Geo. Report (18 October 07)
rwc at ips.gov.au
Thu Oct 18 14:13:30 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 18 OCTOBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (09 OCTOBER - 17 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
Date K-INDICES A
09 Oct 1111 1011 2
10 Oct 1111 1101 2
11 Oct 1110 0011 1
12 Oct 1222 1222 6
13 Oct 1111 1012 3
14 Oct 2222 2211 6
15 Oct 1111 1211 3
16 Oct 1211 2211 4
17 Oct 2211 0111 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.
Quiet to unsettled conditions.
2. FORECAST (18 OCTOBER - 17 NOVEMBER)
Disturbed Periods: 18-20 & 25-27 Oct, possible active periods.
Best Quiet Periods: 1-13 Nov.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 26 Oct to 13 Nov.
Southern Australian Regions:
Disturbed Periods: 18-20 Oct.
Best Quiet Periods: 27 Oct to 12 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
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