[Ips-dhfpr] IPS Daily HF Prop Report - 28 February 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 28/2330Z FEBRUARY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 FEBRUARY) 
Date   T index  Conditions    
28 Feb    60    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Slightly below predicted monthly values over 
      the UT day.


PCA Event : No event.

Predicted Monthly T index for February:  53
2. FORECAST (29 FEBRUARY - 02 MARCH)
Date   T index  Conditions       MUFs                              
29 Feb    40    Normal           Near predicted monthly values 
                                 PNG/N Aus. Depressed 10-20% 
                                 at times S Aus/NZ regions. 
01 Mar    35    Normal-Fair      Near predicted monthly values 
                                 PNG/N Aus. Depressed 10-20% 
                                 at times S Aus/NZ regions.     
02 Mar    35    Normal-Fair      Near predicted monthly values 
                                 PNG/N Aus. Depressed 10-20% 
                                 at times S Aus/NZ regions.    
COMMENT: IPS HF Communications Warning 16 was issued on 26 February 
and is current for interval 27-29 February (SWFs) . Degraded 
HF conditions expected S Aus/NZ/Antarctic regions at times over 
the next three days due to a recurrent coronal hole wind stream. 
Solar active region 564 maintains good potential for further 
major flare activity, with the possibility of short-wave fadeout 
conditions during local daylight hours today. 

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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