[Ips-dhfpr] IPS Daily HF Prop Report - 31 October 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 31/2330Z OCTOBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 OCTOBER) 
Date   T index  Conditions    
31 Oct    11    Poor-fair      

Flares    Max     Fadeout    Freq.  Sectors
 M1/SF    0616UT  possible   lower  Mid East/Indian
 M2/--    0433UT  possible   lower  E. Asia/Aust.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values with mild to moderated
      depressions during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Depressed by 35% during local day,
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 40% during local day,
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Proton event ended, increased absorption observed.


PCA Event : 10Mev Proton/PCA Event Began 28 10 2003 1215UT and is in progress

Predicted Monthly T index for October:  55
2. FORECAST (01 NOVEMBER - 03 NOVEMBER)
Date   T index  Conditions       MUFs                              
01 Nov    40    Fair-normal      depressed 10 to 20%/near predicted 
                                 monthly values 
02 Nov    50    Normal           near monthly prediceted values/ 
                                 enhanced 05 to 10%     
03 Nov    60    Normal           about 10% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 82 was issued on 31 October 
and is current for interval 1-3 November (SWFs) . HF conditions 
in Aus/NZ region may to show mild to moderate depressions during 
the first half of UT day 01 November. HF conditions are expected 
to improve thereafter. 

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