[Ips-dhfpr] IPS Daily HF Prop Report - 15 March 12 issued 2353 UT on 15 Mar 2012

rwc rwc at ips.gov.au
Fri Mar 16 10:53:10 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 MARCH) 
Date   T index  Conditions    
15 Mar    67    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.8    0754UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 35% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Poor ionospheric support over the UT day.

PCA Event : 10Mev Proton/PCA Event Began at 0800UT 13/03, Ended at 0650UT 15/03

Predicted Monthly T index for March:  81


2. FORECAST (16 MARCH - 18 MARCH)
Date   T index  Conditions       MUFs                              
16 Mar    70    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
17 Mar    70    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
18 Mar    75    Normal           Near predicted monthly values   

COMMENT: Night time depressed MUF periods observed in S Aus/NZ. 
Generally weak ionospheric support Antarctic region. The >10MeV 
proton event which began Mar 13 ended at 0620UT. Expect periods 
of disturbance S Aus/NZ/Antarctic regions days one and two due 
to anticipated geomagnetic disturbances.

----------------------------------------------------------
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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