[Ips-dhfpr] IPS Daily HF Prop Report - 26 August 15 issued 2353 UT on 26 Aug 2015
rwc
rwc at ips.gov.au
Thu Aug 27 09:53:12 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 AUGUST 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (26 AUGUST)
Date T index Conditions
26 Aug 44 Normal
Flares Max Fadeout Freq. Sectors
C9.0 1354UT probable lower European
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
No data available during local night.
Depressed by 25% after local dawn.
Niue Island Region:
Depressed by 25% during local day.
Depressed by 20% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 30% during local night.
Southern Australian Region:
Depressed by 25% during local day.
Depressed by 15% during local night.
Depressed by 30% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jul 60
Aug 80
Sep 78
2. FORECAST (27 AUGUST - 29 AUGUST)
Date T index Conditions MUFs
27 Aug 35 Fair 20 to 30% below predicted monthly
values
28 Aug 35 Normal-fair 20 to 30% below predicted monthly
values
29 Aug 40 Normal 15 to 20% below predicted monthly
values
COMMENT: IPS SWF HF Communications Warning 41 was issued on 26
August and is current for 26-27 Aug. Moderately depressed ionospheric
support observed across all AUS/NZ regions for the last 24 hours.
A further reduction of MUFs possible for 27-28Aug due to increased
geomagnetic activity.
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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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