[Ips-dhfpr] IPS Daily HF Prop Report - 06 August 09
rwc
rwc at ips.gov.au
Fri Aug 7 09:58:44 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 06/2330Z AUGUST 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (06 AUGUST)
Date T index Conditions
06 Aug 6 Normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values.
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.
PCA Event : No event.
Predicted Monthly T index for August: 1
2. FORECAST (07 AUGUST - 09 AUGUST)
Date T index Conditions MUFs
07 Aug 5 Normal Near predicted monthly values
08 Aug 5 Normal Near predicted monthly values
09 Aug 3 Normal Near predicted monthly values
COMMENT: MUFs were slightly elevated over the local night in
southern parts of Aus/NZ regions due to Unsettled geomagnetic
activity from a recurrent coronal hole. Spread-F was observed
pre-dwn at northern stations (Darwin, Brisbane, Learmonth) and
pre-dusk Brisbane, and daytime afternoon at Niue. At southern
latitudes Hobart observed spread-F from midnight to dawn. Es
was observed at Darwin post-dusk, Canberra near midnight and
Cocos Is at dusk and pre-dawn.
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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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