[Ips-dhfpr] IPS Daily HF Prop Report - 25 August 02

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SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z AUGUST 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 AUGUST) 
Date   T index  Conditions    
25 Aug   150    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M1/SF    1853UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values to enhanced.
   Australian and New Zealand Region:
      Near predicted monthly values to enhanced.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.


PCA Event : 10Mev Proton/PCA Event Began 24 08 2002 0140UT and is in progress

Predicted Monthly T index for August: 102
2. FORECAST (26 AUGUST - 28 AUGUST)
Date   T index  Conditions       MUFs                              
26 Aug   140    Normal           Near predicted monthly values 
                                 to enhanced 10-15%. 
27 Aug   125    Normal           Near predicted monthly values 
                                 to enhanced 5-10%.     
28 Aug   140    Normal           Near predicted monthly values 
                                 to enhanced 15%.    
COMMENT: IPS HF Communications Warning 42 was issued on 25 August 
and is current for interval 25-27 August (SWFs) . HF conditions 
are expected to be degraded at high latitudes for 26 August due 
to a PCA event. HF conditions may be slightly degraded for 26-27 
August due to anticipated increased geomagnetic activity over 
the next couple of days. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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