[Ips-dhfpr] IPS Daily HF Prop Report - 27 June 10

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z JUNE 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 JUNE) 
Date   T index  Conditions    
27 Jun    19    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values,
   Niue Island Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% 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:  26
2. FORECAST (28 JUNE - 30 JUNE)
Date   T index  Conditions       MUFs                              
28 Jun    15    Normal           depressed 10 to 20%/near predicted 
                                 monthly values 
29 Jun    15    Normal           depressed 10 to 20%/near predicted 
                                 monthly values     
30 Jun    15    Normal           depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: Depressed MUFs observed for Northern AUS/Equatorial 
and Southern AUS/NZ regions during the local day time hours. 
Ionospehric support expected to be slightly below monthly averages 
across all regions due to reduced EUV ionisation/weak sunspot 
activity for the next 3 days, with MUF depressions of 10%-20% 
for low to mid latitudes. Noted isolated cases of sporadic E 
in the Australian region, particularly at Cocos Island during 
the early local night time hours.. 
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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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