[Ips-dhfpr] IPS Daily HF Prop Report - 28 June 15 issued 2351 UT on 28 Jun 2015

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SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 JUNE 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JUNE) 
Date   T index  Conditions    
28 Jun    43    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
   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 : 10MeV Proton/PCA Event Began at 0425UT 26/06, Ended at 
0525UT 27/06


Monthly T index:
Month  T index
May      83
Jun      86
Jul      84


2. FORECAST (29 JUNE - 01 JULY)
Date   T index  Conditions       MUFs                              
29 Jun    50    Normal           15 to 20% below predicted monthly 
                                 values
30 Jun    60    Normal           Depressed 15%/near predicted 
                                 monthly values.    
01 Jul    65    Normal           Depressed 15%/near predicted 
                                 monthly values.   

COMMENT: IPS HF Communications Warning 22 was issued on 28 June 
and is current for 28-29 Jun. Depressed MUFs observed for all 
Australian/NZ regions over the last 24 hours. Similar to improving 
ionospheric support is expected over the next 24 hours with 
gradual ionospheric recovery and approaching near predicted monthly 
values over 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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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