[Ips-dhfpr] IPS Daily HF Prop Report - 17 July 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z JULY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 JULY) 
Date   T index  Conditions    
17 Jul    75    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 X1/1F    0757UT  probable   all    Mid East/Indian
 M2/1N    1651UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 40% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 30% during local day,
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 30% with periods of strong degradations.


PCA Event : No event.

Predicted Monthly T index for July:  39
2. FORECAST (18 JULY - 20 JULY)
Date   T index  Conditions       MUFs                              
18 Jul    58    Normal           near predicted monthly values/enhanced 
                                 5 to 10%. 
19 Jul    60    Normal           near predicted monthly values/enhanced 
                                 5 to 15%.     
20 Jul    64    Normal           near predicted monthly values/enhanced 
                                 5 to 15%.    
COMMENT: IPS HF Communications Warning 28 was issued on 16 July 
and is current for interval 17-19 July (SWFs) . HF conditions 
are expected to remain mostly normal in Aus/NZ regions during 
the next three days with some possibility of isolated minor 
degradation periods in the southern regions. 
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For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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