[Ips-dhfpr] IPS Daily HF Prop Report - 22 October 11 issued 2346 UT on 22 Oct 2011
rwc
rwc at ips.gov.au
Sun Oct 23 10:46:38 EST 2011
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z OCTOBER 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 OCTOBER)
Date T index Conditions
22 Oct 121 Normal
Flares Max Fadeout Freq. Sectors
M1.3 1118UT possible lower European
MUFs:
Cocos Island Region:
Enhanced by 30% during local day, with enhancements
to 70%, 13-18UT.
Niue Island Region:
Enhanced by 15% during local day,
Enhanced by 25% during local night.
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 15% during local day,
Enhanced by 30% during local night.
Enhanced by 30% 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 October: 63
2. FORECAST (23 OCTOBER - 25 OCTOBER)
Date T index Conditions MUFs
23 Oct 115 Normal About 20% above predicted monthly
values
24 Oct 105 Normal 10 to 20% above predicted monthly
values
25 Oct 100 Normal Near predicted monthly values
COMMENT: MUFs have been mostly near predicted monthly values
to enhanced over the past 24 hours. HF conditions are expected
to be mostly normal for the next few days. Possible effects from
CME observed on 22 October may degrade HF conditions at High
latitudes.
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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.
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