[Ips-dhfpr] IPS Daily HF Prop Report - 04 June 12 issued 2331 UT on 04 Jun 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 JUNE 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 JUNE) 
Date   T index  Conditions    
04 Jun    83    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for June:  78


2. FORECAST (05 JUNE - 07 JUNE)
Date   T index  Conditions       MUFs                              
05 Jun    75    Normal-fair      Near predicted monthly values
06 Jun    75    Normal           Near predicted monthly values    
07 Jun    75    Normal           Near predicted monthly values   

COMMENT: HF frequency conditions were averaging near Normal but 
with 20-30% fluctuations around that, depending on latitude. 
This variability was most likely caused by the ongoing geomagnetic 
activity from a high speed solar wind stream, expected to last 
until 6 June UT.

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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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