[Ips-dhfpr] IPS Daily HF Prop Report - 30 June 15 issued 2330 UT on 30 Jun 2015
Regional Warning Centre
rwc at ips.gov.au
Wed Jul 1 09:30:41 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 JUNE 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (30 JUNE)
Date T index Conditions
30 Jun 54 Depressed
Flares: C class flares
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Depressed by 25% after local dawn.
Niue Island Region:
Depressed by 20% during local day.
Depressed by 25% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Southern Australian and New Zealand Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
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
May 83
Jun 86
Jul 84
2. FORECAST (01 JULY - 03 JULY)
Date T index Conditions MUFs
01 Jul 60 Depressed Depressed 15%/near predicted
monthly values
02 Jul 65 Depressed Depressed 15%/near predicted
monthly values
03 Jul 70 Normal Near predicted monthly values
COMMENT: Conditions for HF radio wave propagation were generally
depressed throughout the Australian region during 30 Jun. The
conditions were more strongly depressed at low latitude stations
and starting to recover at mid-latitude locations. For example,
the daily T index for Darwin was 42 and for Canberra 57. The
conditions are expected to be depressed again today, but trend
gradually back toward near predicted monthly values during the
next 3 days.
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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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