[Ips-dhfpr] IPS Daily HF Prop Report - 19 June 14 issued 2334 UT on 19 Jun 2014
Regional Warning Centre
rwc at ips.gov.au
Fri Jun 20 09:34:14 EST 2014
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 JUNE 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 JUNE)
Date T index Conditions
19 Jun 76 Fair-normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values. Depressed
20-25% 00-01, 21-23 UT, depressed 20-40%
12-18 UT.
Niue Island Region:
Mostly 15-30% depressed.
Northern Australian Region:
Near predicted monthly values. Depressed at
Darwin 20-45% 00, 10-16 UT with night spread
F. Depressed at Townsville 20-30% 00, 10-14 UT.
Southern Australian and New Zealand Region:
Near predicted monthly values to 15% depressed.
Spread F at Hobart 08-23 UT. Occasional night
spread F at Brisbane and Norfolk Is.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Mostly 10-30% depressed.
PCA Event : No event.
Monthly T index:
Month T index
May 80
Jun 92
Jul 91
2. FORECAST (20 JUNE - 22 JUNE)
Date T index Conditions MUFs
20 Jun 70 Fair-normal Near predicted monthly values
to 20% depressed
21 Jun 70 Normal Near predicted monthly values
to 20% depressed
22 Jun 70 Normal Near predicted monthly values
to 20% depressed
COMMENT: Lower than expected solar flux is likely to reduce MUFs
below those based on the monthly T index, particularly on circuits
including the southern hemisphere. Night communications may be
degraded.
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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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