[Ips-dhfpr] IPS Daily HF Prop Report - 24 June 15 issued 2350 UT on 24 Jun 2015
rwc
rwc at ips.gov.au
Thu Jun 25 09:50:54 EST 2015
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 JUNE 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 JUNE)
Date T index Conditions
24 Jun 57 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 20% during local day.
Depressed by 35% during local night.
Depressed by 25% after local dawn.
Niue Island Region:
Depressed by 15% during local day.
Depressed by 25% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 35% during local night.
Depressed by 20% after local dawn.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 20% over the UT day.
PCA Event : 10MeV Proton/PCA Event Began at 2020UT 21/06, Ended at 0510UT 24/06
Monthly T index:
Month T index
May 83
Jun 86
Jul 84
2. FORECAST (25 JUNE - 27 JUNE)
Date T index Conditions MUFs
25 Jun 70 Normal Near predicted monthly values
26 Jun 80 Normal Near predicted monthly values
27 Jun 90 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 20 was issued on 23 June
and is current for 23-25 Jun. Depressed MUFs observed during
local day and night for the majority of the AUS/NZ region due
to recent geomagnetic activity. HF conditions are expected to
improve over the next 24-48 hours with occasional depressed periods
for Northern AUS, Southern AUS/NZ regions. MUF's expected to
return to near monthly normal values 27Jun. Fair ionospheric
support still expected for high latitudes over the next 2-3 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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