[Ips-dhfpr] IPS Daily HF Prop Report - 13 October 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 13/2330Z OCTOBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 OCTOBER) 
Date   T index  Conditions    
13 Oct    70    Normal         

Flares: none.

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:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


PCA Event : No event.

Predicted Monthly T index for October:  55
2. FORECAST (14 OCTOBER - 16 OCTOBER)
Date   T index  Conditions       MUFs                              
14 Oct    50    Normal           depressed 5 to 10%/near predicted 
                                 monthly values 
15 Oct    40    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values     
16 Oct    40    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 67 was issued on 12 October 
and is current for interval 15-16 October. The Earth has entered 
the anticipated coronal hole high speed wind stream overnight. 
Mild to moderately depressed conditions are expected for southern 
Aus/NZ region over the next few days. Northern Aus region MUFs
expected to remain near predicted monthly values. HF communicators
in northern Aus region should use a T index of 65.

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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