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

[rwc]

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

1. SUMMARY (29 DECEMBER) 
Date   T index  Conditions    
29 Dec   119    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Enhanced by 50% during local day,
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


PCA Event : No event.

Predicted Monthly T index for December:  50
2. FORECAST (30 DECEMBER - 01 JANUARY)
Date   T index  Conditions       MUFs                              
30 Dec   120    Normal           15 to 30% above predicted monthly 
                                 values 
31 Dec    90    Normal           10 to 20% above predicted monthly 
                                 values     
01 Jan    60    Normal-fair      Near predicted monthly values    
COMMENT: Generally good HF conditions expected next two days 
at low to mid latitudes with significant enhancements in propagation 
conditions observed again after local dawn today. Evening spread-F 
conditions observed S. Aus/NZ region. Periods of sporadic-E and 
spread-F conditions observed and expected at high latitudes. 
Recurrence suggests that degraded HF conditions may be experienced 
31 Dec to 11 Jan, for southern region Aus/NZ and Antarctica. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
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