[Ips-wgr] IPS Weekly Geo. Report (28 June 07)
rwc
rwc at ips.gov.au
Thu Jun 28 12:23:06 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 28 JUNE 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (19 JUNE - 27 JUNE)
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
19 Jun 2222 2111 5
20 Jun 2122 1101 4
21 Jun 1224 4333 14
22 Jun 3334 2222 12
23 Jun 2232 1111 6
24 Jun 2222 2221 6
25 Jun 1110 0211 2
26 Jun 1112 2111 4
27 Jun 2211 0211 4
Quiet to unsettled conditions.
*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.
2. FORECAST (28 JUNE - 28 JULY)
Disturbed Periods:
active 28 Jun, 11 Jul, 18 to 19 Jul.
Best Quiet Periods:
1 to 4 Jul, 8 to 10 Jul, 13 to 17 Jul, 21 to 24 Jul.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: 12 Jul.
Best Quiet Periods: 28 Jun, 2 Jul to 4 Jul, 9 Jul, 23 Jul.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 1 Jul to 9 Jul, 11 Jul to 15 Jul, 21 Jul to 23 Jul.
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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