[Ips-dhfpr] IPS Daily HF Prop Report - 19 August 02

rwc rwc at ips.gov.au
Tue Aug 20 09:33:38 EST 2002


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z AUGUST 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 AUGUST) 
Date   T index  Conditions    
19 Aug   153    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M2.2    1034UT  possible   lower  European
  M1.0    1446UT  possible   lower  South American/
                                    Atlantic
  M3.4    2102UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
      Enhanced by 20% during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 25% during local day,
      Enhanced by 45% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.
      Some spread and absorption observed.


PCA Event : No event.

Predicted Monthly T index for August: 102
2. FORECAST (20 AUGUST - 22 AUGUST)
Date   T index  Conditions       MUFs                              
20 Aug   150    Normal           about 15% above predicted monthly 
                                 values 
21 Aug   150    Normal-Fair      about 15% above predicted monthly 
                                 values     
22 Aug   150    Normal-Fair      about 15% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 40 was issued on 18 August 
and is current for interval 19-21 August (SWFs) . Fadeouts can 
be expected on daylight HF circuits. 

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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