[Ips-dhfpr] IPS Daily HF Prop Report - 20 December 01

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SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z DECEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 DECEMBER) 
Date   T index  Conditions    
20 Dec   147    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


Predicted Monthly T index for December: 112
2. FORECAST (21 DECEMBER - 23 DECEMBER)
Date   T index  Conditions       MUFs                              
21 Dec   160    Normal           10 to 15% above predicted monthly 
                                 values 
22 Dec   160    Normal           10 to 15% above predicted monthly 
                                 values     
23 Dec   160    Normal           10 to 15% above predicted monthly 
                                 values    
COMMENT:Mild degradation possible local night hours southern Aus/NZ
region next few days due to coronal hole. Also, a solar region
has shown rapid growth overnight and flare activity may increase
in coming days if this region continues to develop.

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