[Ips-dhfpr] IPS Daily HF Prop Report - 17 January 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z JANUARY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 JANUARY) 
Date   T index  Conditions    
17 Jan    54    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M5/--    1750UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to depressed
      5-15% at times.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.


PCA Event : No event.

Predicted Monthly T index for January:  56
2. FORECAST (18 JANUARY - 20 JANUARY)
Date   T index  Conditions       MUFs                              
18 Jan    45    Normal-Fair      depressed 5 to 15%/near predicted 
                                 monthly values 
19 Jan    55    Normal           Near predicted monthly values     
20 Jan    35    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: IPS HF Communications Warning 5 was issued on 16 January 
and is current for interval 16-18 January. Mild depressions were 
observed at times during 17 January. Mostly normal conditions 
with slight depressions at times are expected for 18-19 January 
with mild depressions again possible for 20 January. 

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 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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