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

[rwc]

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

1. SUMMARY (31 DECEMBER) 
Date   T index  Conditions    
31 Dec    76    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M1/--    1824UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day with
      periods of depressions and degradations. 


PCA Event : No event.

Predicted Monthly T index for December:  50
2. FORECAST (01 JANUARY - 03 JANUARY)
Date   T index  Conditions       MUFs                              
01 Jan    60    Normal-fair      near predicted monthly values in northern 
				regions/depressed 5 to 10% in southern regions
02 Jan    70    Normal           Near predicted monthly values     
03 Jan    85    Normal           Near predicted monthly values/enhanced 
                                 5%.    
COMMENT: Minor to moderate depressions in MUFs and degradations 
in HF conditions may be observed in Southern Australian/NZ regions 
due to anticipated continuation of enhanced geomagnetic activity 
on 01 and 02 January. The T-index value in Southern Australian/NZ
regions may remain close to approximately 40 units on 01 January. 

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