[Ips-dhfpr] IPS Daily HF Prop Report - 30 September 01

rwc rwc at ips.gov.au
Mon Oct 1 09:06:47 EST 2001


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 30/2330Z SEPTEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 SEPTEMBER) 
Date   T index  Conditions    
30 Sep   133    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
 M1/SF    1141UT  possible   lower  European

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.
      Some absorption observed.


Predicted Monthly T index for September: 109
2. FORECAST (01 OCTOBER - 03 OCTOBER)
Date   T index  Conditions       MUFs                              
01 Oct   100    Normal-Fair      near predicted monthly values/depressed 
                                 10 to 15% 
02 Oct   100    Normal           near predicted monthly values/depressed 
                                 10 to 15%     
03 Oct   110    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 52 was issued on 30 September 
and is current for interval 30 September to 2 October. SWFs probable. 
Mildly depressed and degraded conditons expected next two days. 
Depression may not be deep due to current enhanced MUFs, and 
northward IMF. 

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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