[Ips-dhfpr] IPS Daily HF Prop Report - 25 October 01

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SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z OCTOBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 OCTOBER) 
Date   T index  Conditions    
25 Oct   190    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 X1/3B    1502UT  probable   all    South American/
                                    Atlantic

MUFs:
Mostly normal to enhanced.


Predicted Monthly T index for October: 106
2. FORECAST (26 OCTOBER - 28 OCTOBER)
Date   T index  Conditions       MUFs                              
26 Oct   150    Normal           near predicted monthly values 
27 Oct   140    Normal-poor      Mostly near predicted monthly 
                                 values with depressed conditions 
                                 possible late in the UT day.     
28 Oct    70    Poor-fair        depressed 15 to 30%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 60 was issued on 23 October 
and is current for interval 24-26 October. Geomagnetic activity 
following the impact of a recent CME was not as siginificant 
as expected and HF conditions remained mostly normal. HF conditions 
should remain mostly normal for 26-27 October with degraded conditions 
expected for 28 October following the impact of another anticipated 
CME. 

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