[Ips-dhfpr] IPS Daily HF Prop Report - 24 December 01

rwc rwc at ips.gov.au
Tue Dec 25 09:53:00 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z DECEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 DECEMBER) 
Date   T index  Conditions    
24 Dec   137    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M1/SF 23/2336UT  possible   lower  West Pacific
 M1/1N    0032UT  possible   lower  West Pacific
 M3/--    1400UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.


Predicted Monthly T index for December: 112
2. FORECAST (25 DECEMBER - 27 DECEMBER)
Date   T index  Conditions       MUFs                              
25 Dec    90    Fair-Normal      depressed 10 to 15%/near predicted 
                                 monthly values 
26 Dec   140    Normal           near predicted monthly values/enhanced 
                                 10-15%     
27 Dec   160    Normal           10 to 15% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 83 was issued on 24 December 
and is current for interval 25 December only. Depressed MUFs 
observed after local dawn this morning following unexpected overnight 
geomagnetic activity. 

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 




More information about the ips-dhfpr mailing list