[Ips-dhfpr] IPS Daily HF Prop Report - 12 October 03

rwc rwc at ips.gov.au
Mon Oct 13 08:30:28 EST 2003


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z OCTOBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 OCTOBER) 
Date   T index  Conditions    
12 Oct    74    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15-35%.
   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 (13 OCTOBER - 15 OCTOBER)
Date   T index  Conditions       MUFs                              
13 Oct    70    Normal           10 to 15% above predicted monthly 
                                 values 
14 Oct    65    Normal           Near predicted monthly values     
15 Oct    45    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. Higher than normal 
MUFs expected today. A mild to moderate degradation/depression 
period is expected to begin 14/15 Oct due to anticipated geomagnetic 
activity induced by a coronal hole high spped wind stream. 

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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