[Ips-dhfpr] IPS Daily HF Prop Report - 19 June 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z JUNE 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JUNE) 
Date   T index  Conditions    
19 Jun    62    Fair-normal    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 55% during local night.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15-20% local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      15% depressed. Some absorption observed early in UT day. 


PCA Event : Began at 2050UT 18/06, Ended at 1540UT 19/06
 

Predicted Monthly T index for June:  68
2. FORECAST (20 JUNE - 22 JUNE)
Date   T index  Conditions       MUFs                              
20 Jun    60    Normal-fair      depressed 10 to 15%/near predicted 
                                 monthly values 
21 Jun    60    Fair-normal      depressed 10 to 15%/near predicted 
                                 monthly values     
22 Jun    60    Fair-normal      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 48 was issued on 18 June 
and is current for interval 19-21 June (SWFs) . Southern Aus/NZ 
MUFs depressed yesterday. Milder depressions are now expected 
over coming days, restricted to southern Aus/NZ region. Northern 
Aus region MUFs expected to be near to 15% above predicted monthly 
values. 

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