[Ips-dhfpr] IPS Daily HF Prop Report - 21 February 10
rwc
rwc at ips.gov.au
Mon Feb 22 10:31:08 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z FEBRUARY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 FEBRUARY)
Date T index Conditions
21 Feb 46 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 30% during local day,
Enhanced by 110% during local night.
Niue Island Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 35% during local night.
Enhanced by 25% after local dawn.
Southern Australian and New Zealand Region:
Enhanced by 20% during local day,
Enhanced by 35% during local night.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for February: 4
2. FORECAST (22 FEBRUARY - 24 FEBRUARY)
Date T index Conditions MUFs
22 Feb 40 Normal 5 to 30% above predicted monthly
values
23 Feb 40 Normal 5 to 30% above predicted monthly
values
24 Feb 30 Normal 5 to 25% above predicted monthly
values
COMMENT: Ionospheric conditions in the Australian/NZ region were
elevated compared with predicted monthly values due to strong
EUV from the three sunspot regions on the disc. Nearly similar
conditions may be expected for the next two to three days with
perhaps a slight reduction in MUFs on the third day as one of
the active regions rotates off the disc.
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For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
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tel: +61 2 9213 8010 fax: +61 2 9213 8060
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