[Ips-dhfpr] IPS Daily HF Prop Report - 29 October 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 29/2330Z OCTOBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 OCTOBER) 
Date   T index  Conditions    
29 Oct    76    Fair-poor      

Flares    Max     Fadeout    Freq.  Sectors
X10/--    2049UT  probable   all    East Pacific/
                                    North American
 M3/--    0511UT  possible   lower  E. Asia/Aust.

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 50% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, 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 (30 OCTOBER - 01 NOVEMBER)
Date   T index  Conditions       MUFs                              
30 Oct    40    Poor             depressed 15 to 40%/near predicted 
                                 monthly values 
31 Oct    60    Fair             near predicted monthly values     
01 Nov    40    Poor             depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 79 was issued on 28 October 
and is current for interval 29-31 October (SWFs) . HF conditions 
in Aus/NZ region expected to show depressions and degradations 
on 30 October and 1 November. 

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