[Ips-wsgr] IPS Weekly Solar and Geophysical Report (18 September 09)
rwc
rwc at ips.gov.au
Fri Sep 18 11:46:10 EST 2009
SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT
ISSUED ON 18 SEPTEMBER 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (11 SEPTEMBER - 17 SEPTEMBER)
Date 11 12 13 14 15 16 17
10cm 69 69 69 69 69 69 69
AFr 2 1 4 4 4 5 ( 7)
Aaus 5 3 5 5 6 7 ( 5)
T -4 -7 -4 -3 -1 -6 -2
Solar: Solar flare activity
Geomagnetic: Geomagnetic activity observed for Australian region.
Frequencies: Australian ionospheric F2 critical frequencies
11 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Northern Australian Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
12 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Northern Australian Region:
Near predicted montly values to depressed by
15% during local day.
Depressed by 25% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
13 Sep
Solar: Very low
Geomagnetic: Quiet
Frequencies:
Equatorial PNG/Niue Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values to depressed by
20% during local day.
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Enhanced by 35% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
14 Sep
Solar: Very low
Geomagnetic: Quiet to unsettled with active periods at high
latitudes.
Frequencies:
Equatorial PNG/Niue Region:
Mostly 15-30% depressed at Niue. At Vanimo, near
predicted monthly values 00-05 UT then 15 to 40%
depressed.
Northern Australian Region:
Mostly near predicted monthly values with enhancements
to 30% 12 to 20 UT.
No Townsville data.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted montly values to 03 UT. No data
after 03 UT.
15 Sep
Solar: Very low
Geomagnetic: Quiet to unsettled with isolated active levels
at high latitudes.
Frequencies:
Equatorial PNG/Niue Region:
Near predicted monthly values at Niue with depressions
to 25% 00-02 UT and enhancements to 40% 07-11 UT.
Near predicted monthly values to 05 UT at Vanimo with
15-30% depressions 06-12 UT and 60% depressions 13-14
UT; no data after 15 UT.
Northern Australian Region:
Near predicted monthly values. Depressions to 30% at
Darwin 03-05 and 15-16 UT. No data for Townsville.
Southern Australian and New Zealand Region:
Near predicted monthly values with enhancements to 60%
around 12-20 UT.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values at Scott Base. No data
for Casey, Macquarie Is. and Mawson.
16 Sep
Solar: Very low
Geomagnetic: Quiet to unsettled with isolated active levels
at high latitudes.
Frequencies:
Equatorial PNG/Niue Region:
Near predicted monthly values. Depressions to 30% at
Niue 01, 02 and 09-15 UT and depressions to 50% at
Vanimo 05-20 UT.
Northern Australian Region:
Near predicted monthly values to 30% depressed 03-10
and 15-20 UT. No Townsville data.
Southern Australian and New Zealand Region:
Near predicted monthly values to 15% depressed.
Enhancements to 45% observed at Canberra, Hobart and
Sydney between about 12-20 UT. Night spread F observed
at Hobart.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 30% depressed.
17 Sep
Solar: Very low
Geomagnetic: Quiet with unsettled periods at high latitudes.
Frequencies:
Equatorial PNG/Niue Region:
Near predicted monthly values at Vanimo with
depressions to 45% 05-20 UT. Near predicted monthly
values at Niue with depressions to 30% 00, 02-05 and
17 UT.
Northern Australian Region:
Near predicted monthly values. Enhancements to 30% at
Cocos Is. 04-09 UT. No Townsville data.
Southern Australian and New Zealand Region:
Near predicted monthly values. Enhancements to 60% at
Canberra, Christchurch, Hobart and Sydney mostly
around 12-20 UT. Blanketing sporadic E at Norfolk Is.
02-03 UT and spread F at Hobart during night hours.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values.
2. FORECAST (18 SEPTEMBER - 24 SEPTEMBER)
Solar: Low
Geomagnetic: Mostly quiet conditions.
Frequencies: MUFs near predicted monthly values however,
depressions are possible.
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au/1/2/1.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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