[Ips-dhfpr] IPS Daily HF Prop Report - 26 December 02

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 26/2330Z DECEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 DECEMBER) 
Date   T index  Conditions    
26 Dec   138    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Enhanced 5-15% over the UT day.
   Antarctic Region (Casey/Scott Base):
      Periods of strong absorption, otherwise near predicted 
      monthly values over the UT day.


PCA Event : No event.

Predicted Monthly T index for December:  90
2. FORECAST (27 DECEMBER - 29 DECEMBER)
Date   T index  Conditions       MUFs                              
27 Dec   120    Normal-Fair      enhanced 10-20% low to mid latitudes, 
                                 depressed 5-15% high latitudes. 
28 Dec   100    Fair             near predicted monthly values     
29 Dec   100    Normal-Fair      near predicted monthly values    
COMMENT: IPS HF Communications Warning 81 was issued on 25 December 
and is current for interval 28-29 December. Coronal hole induced 
geomagnetic activity may cause mild ionospheric depressions 27 
to 29 Dec. 

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