[Ips-dhfpr] IPS Daily HF Prop Report - 27 December 01

rwc rwc at ips.gov.au
Fri Dec 28 10:04:14 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z DECEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 DECEMBER) 
Date   T index  Conditions    
27 Dec   155    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M2/2N    1648UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.


Predicted Monthly T index for December: 112
2. FORECAST (28 DECEMBER - 30 DECEMBER)
Date   T index  Conditions       MUFs                              
28 Dec   100    Fair             10 to 20% below predicted monthly 
                                 values 
29 Dec   140    Normal-Fair      near predicted monthly values     
30 Dec   140    Normal           near predicted monthly values    
COMMENT: IPS HF Communications Warning 85 was issued on 27 December 
and is current for interval 28 December only. The ionosphere 
is expected to be depressed from late 28 Dec.. 

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




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