[Ips-dhfpr] IPS Daily HF Prop Report - 17 May 05

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z MAY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 MAY) 
Date   T index  Conditions    
17 May    54    Normal         

Flares    Max     Fadeout    Freq.  Sectors
M1.8/1B    0239UT  possible   lower  E. Asia/Aust.

MUFs:
   Equatorial PNG Region:
      Enhanced by 35% during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Enhanced by 40% during local day,
      Enhanced by 55% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Depressed by 25% over the UT day.

PCA Event : No event.

Predicted Monthly T index for May:  27
2. FORECAST (18 MAY - 20 MAY)
Date   T index  Conditions       MUFs                              
18 May    30    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 15% 
19 May    15    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values     
20 May    20    Normal           depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 22 was issued on 17 May 
and is current for interval 19 May only. Generally good HF conditions 
expected for today. A mild to moderate degradation in HF condtions 
is possible for southern Aus/NZ region late 18 to 19 May. 
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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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