[Ips-dhfpr] IPS Daily HF Prop Report - 02 July 15 issued 2330 UT on 02 Jul 2015
Regional Warning Centre
rwc at ips.gov.au
Fri Jul 3 09:30:34 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/02 JULY 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 JULY)
Date T index Conditions
02 Jul 54 Mildly Depressed
Flares: C class flares
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Depressed by 25% after local dawn.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 35% during local night.
Depressed by 40% after local dawn.
Southern Australian and New Zealand Region:
Depressed by 20% during local day.
Depressed by 20% 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
Jun 70
Jul 84
Aug 82
2. FORECAST (03 JULY - 05 JULY)
Date T index Conditions MUFs
03 Jul 55 Mildly Depressed Depressed 15%/near predicted
monthly values
04 Jul 60 Mildly Depressed Near predicted monthly values
05 Jul 65 Normal Near predicted monthly values
COMMENT: Conditions for HF radio wave propagation were mildly
depressed throughout the Australian region during 2 Jul. Midlatitude
stations recorded daily T indices in the range of 50 to 60 and
Darwin recorded a T index of 42. Hobart passed under an ionospheric
trough at 15 UT this morning. Cocos Island was an exception,
recording a daily T index of 80 due to a strong daytime enhancement.
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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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