[Ips-dhfpr] IPS Daily HF Prop Report - 31 July 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 31/2330Z JULY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 JULY) 
Date   T index  Conditions    
31 Jul    52    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values with depressions to
      30% 01, 17 and 21-22 UT and to 45% 12-16 and 23 UT.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 30%
      01-03 and 12-18 UT at Darwin. Night spread F observed
      at Darwin and Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Enhancements to 35%
      09-20 UT at most stations. Depressions to 20% 12-16 UT
      at Learmonth and 00-12 UT at Hobart. Some night spread
      F observed at most stations. Hobart, no data 14-23 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

PCA Event : No event.

Predicted Monthly T index for July:  56
2. FORECAST (01 AUGUST - 03 AUGUST)
Date   T index  Conditions       MUFs                              
01 Aug    56    Normal           Near predicted monthly values 
                                 with occasional depressions 
                                 to 30% 
02 Aug    56    Normal           Near predicted monthly values 
                                 with occasional depressions 
                                 to 30%     
03 Aug    56    Normal           Near predicted monthly values 
                                 with occasional depressions 
                                 to 30%.    

COMMENT: IPS HF Communications Warning 33 was issued on 31 July 
and is current for interval 31 July to 1 August (SWFs) . 

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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.

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