[Ips-wgr] IPS Weekly Geo. Report (13 December 07)
rwc at ips.gov.au
Thu Dec 13 12:34:54 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 13 DECEMBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (04 DECEMBER - 12 DECEMBER)
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
04 Dec 2111 1112 4
05 Dec 3232 1112 7
06 Dec 2211 1112 4
07 Dec 1211 0111 3
08 Dec 1111 1011 2
09 Dec 2221 2222 6
10 Dec 1222 2224 9
11 Dec 3333 3333 15 A weak (18nT) impulse was observed in the IPS
magnetometer data at 0609UT on 11 Dec.
12 Dec 3333 2112 10
*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 (13 DECEMBER - 12 JANUARY)
active 17 Dec to 19 Dec.
Best Quiet Periods:
14 Dec to 16 Dec, 24 Dec to 5 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 13 Dec, 20 Dec to 28 Dec.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 13 Dec, 21 Dec to 28 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
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