[Ips-dhfpr] IPS Daily HF Prop Report - 06 December 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 06/2330Z DECEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 DECEMBER) 
Date   T index  Conditions    
06 Dec    60    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M1/--    1120UT  possible   lower  European
 M2/--    1546UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Degraded conditions second half of UT day.


PCA Event : No event.

Predicted Monthly T index for December:  50
2. FORECAST (07 DECEMBER - 09 DECEMBER)
Date   T index  Conditions       MUFs                              
07 Dec    40    Fair             depressed 15 to 20% (south Aus/NZ)
07 Dec    80    Normal           near predicted monthly values (north Aus)
08 Dec    40    Fair             depressed 15 to 20%/near predicted 
                                 monthly values     
09 Dec    40    Fair             depressed 15 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 94 was issued on 5 December 
and is current for interval 6-8 December. An extended period 
of lower than normal MUFs may be experienced for asouthern Aus/NZ 
region up to around 15 Dec. Northern Aus region MUFs expected 
to remain near to 15% above normal, communicators within this 
region should use a Tindex of around 80. 

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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