[Ips-dhfpr] IPS Daily HF Prop Report - 18 July 02

rwc rwc at ips.gov.au
Fri Jul 19 09:59:28 EST 2002


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JULY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JULY) 
Date   T index  Conditions    
18 Jul   101    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 X1/2B    0744UT  probable   all    Mid East/Indian

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values to enhanced greater
      than 30%.
   Northern Australian Region:
      Depressed 15% to near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Degraded to PCA event to near predicted monthly
      values.


PCA Event : Began at 1810UT 16/07, Ended at 1600UT 18/07
 

Predicted Monthly T index for July: 108
2. FORECAST (19 JULY - 21 JULY)
Date   T index  Conditions       MUFs                              
19 Jul   105    Normal           Near predicted monthly values 
20 Jul    95    Normal-fair      near predicted monthly values/depressed 
                                 10 to 20%     
21 Jul    85    Fair             depressed 15 to 30%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 29 was issued on 18 July 
and is current for interval 19-21 July (SWFs) . Increased geomagnetic 
activity anticipated for late 20 to 21 July is expected to produce 
degraded HF conditions for 21 July. 

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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