[Ips-dhfpr] IPS Daily HF Prop Report - 07 June 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 07/2330Z JUNE 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 JUNE) 
Date   T index  Conditions    
07 Jun    51    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.4    0634UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Niue Island Region:
      Depressed by up to 30% between 07-12UT, 
      Near predicted monthly values at other times.
   Northern Australian Region:
      Variable conditions around monthly values,
      Some depressions of up to 30% at times.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 07 06 2011 0840UT and is in progress

Predicted Monthly T index for June:  53
2. FORECAST (08 JUNE - 10 JUNE)
Date   T index  Conditions       MUFs                              
08 Jun    50    Normal           Near predicted monthly values 
09 Jun    40    Fair             Near predicted monthly values     
10 Jun    40    Fair             near predicted monthly values    
COMMENT: Blanketing sporadic E was observed at times in equatorial 
regions and also for much of the local night at Hobart. A short 
wave fadeout was observed at Cocos Island around 07UT following 
an M2.4 solar X-ray flare. This event also caused a Polar Cap 
Absorpotion (PCA) event begining around 08UT which remains in 
progress. Propagation conditions may be affected by an expected 
geomagnetic disturbance on the 9th and 10th of June. 
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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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