[Ips-dhfpr] IPS Daily HF Prop Report - 07 May 12 issued 2331 UT on 07 May 2012

rwc rwc at ips.gov.au
Tue May 8 09:31:51 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 MAY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 MAY) 
Date   T index  Conditions    
07 May    66    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.9    1433UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
      Brisbane, Perth mostly depressed 20%. 
      Evening spread-F observed Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for May:  79


2. FORECAST (08 MAY - 10 MAY)
Date   T index  Conditions       MUFs                              
08 May    65    Normal           Near predicted monthly values
09 May    60    Normal-fair      Near predicted monthly values    
10 May    60    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 21 was issued on 5 May 
and is current for 6-8 May (SWFs). Variable enhancements/depressions 
possible Equatorial/N Aus regions. Disturbed periods possible 
Antarctic region next three days.

----------------------------------------------------------
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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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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