[Ips-dhfpr] IPS Daily HF Prop Report - 07 September 01

rwc rwc at ips.gov.au
Sat Sep 8 09:29:50 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 07/2330Z SEPTEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 SEPTEMBER) 
Date   T index  Conditions    
07 Sep   146    Normal         

Flares    Max     Fadeout    Freq.  Sectors
 M1/1F    1538UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
     Enhanced by 35% during local day,
     Near predicted monthly values during local night.
     Enhanced by 15% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 55% during local night.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Enhanced by 25% during local night.
     Enhanced by 25% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 65% over the UT day.


Predicted Monthly T index for September: 108
2. FORECAST (08 SEPTEMBER - 10 SEPTEMBER)
Date   T index  Conditions       MUFs                              
08 Sep   140    Normal-Fair      about 15% above predicted monthly 
                                 values 
09 Sep   140    Normal           about 15% above predicted monthly 
                                 values     
10 Sep   140    Normal           about 15% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 45 was issued on 7 September 
and is current for interval 7-9 September (SWFs) . Enhanced MUFs 
again expected today. Fadeouts can be expected on daylight HF 
circuits. Southern region Aus/NZ may expereience a mild degradation 
in HF conditions during local night hours 8-9 Sep. 

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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