[Ips-dhfpr] IPS Daily HF Prop Report - 26 September 01

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 26/2330Z SEPTEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 SEPTEMBER) 
Date   T index  Conditions    
26 Sep   147    Fair           

Flares    Max     Fadeout    Freq.  Sectors
 M1/--    0258UT  possible   lower  E. Asia/Aust.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base):
      Complete absorption observed.


Predicted Monthly T index for September: 108
2. FORECAST (27 SEPTEMBER - 29 SEPTEMBER)
Date   T index  Conditions       MUFs                              
27 Sep   120    Normal           near predicted monthly values 
28 Sep   150    Normal           about 15% above predicted monthly 
                                 values     
29 Sep   150    Normal           about 15% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 50 was issued on 25 September 
and is current for interval 26-27 September. Ionosphere appears 
to have had a positive response to geomagnetic activity. 

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