[Ips-dhfpr] IPS Daily HF Prop Report - 25 June 09

rwc rwc at ips.gov.au
Fri Jun 26 09:55:05 EST 2009


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z JUNE 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 JUNE) 
Date   T index  Conditions    
25 Jun    -1    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values 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):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for June:   5
2. FORECAST (26 JUNE - 28 JUNE)
Date   T index  Conditions       MUFs                              
26 Jun    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values 
27 Jun    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
28 Jun    -5    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: Depressed MUFs observed for Northern AUS/Equatorial 
regions during local day with notable sporadic E. Southern AUS/NZ 
regions experienced mostly normal HF conditions with enhanced 
MUFs during local night. Some disturbed periods for Antarctic 
regions with otherwise MUFs near predicted monthly values. Depressed 
MUFs of 10%-20% are expected for low latitudes during local day 
for the next 3 days. Mostly normal conditions for Southern AUS/NZ 
regions with possible depressed periods. Continued disturbed 
conditions for Antarctic regions. 
----------------------------------------------------------
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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