[Ips-dhfpr] IPS Daily HF Prop Report - 22 November 03

rwc rwc at ips.gov.au
Sun Nov 23 11:08:53 EST 2003


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z NOVEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 NOVEMBER) 
Date   T index  Conditions    
22 Nov    96    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 40% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted montly values to
      depressed 15-30% at times.


PCA Event : Began at 0020UT 22/11, Ended at 0350UT 22/11
 

Predicted Monthly T index for November:  52
2. FORECAST (23 NOVEMBER - 25 NOVEMBER)
Date   T index  Conditions       MUFs                              
23 Nov    60    Normal-fair      depressed 10 to 20% at times 
                                 for southern regions/enhanced 
                                 10-20% for nothern regions 
24 Nov    70    Normal-fair      5 to 15% above predicted monthly 
                                 values     
25 Nov    75    Normal           5 to 15% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 91 was issued on 22 November 
and is current for interval 22-23 November. Degraded HF conditions 
were observed for southern regions since local dawn on 22 November, 
with depressions of 15-30% observed at times. Mild depressions 
are expected at times for southern regions for 23 November. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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