[Ips-dhfpr] IPS Daily HF Prop Report - 10 November 03

rwc rwc at ips.gov.au
Tue Nov 11 10:17:06 EST 2003


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z NOVEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 NOVEMBER) 
Date   T index  Conditions    
10 Nov    33    Fair-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 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Depressed 15% to near predicted monthly values 
      over the UT day.  Spread F and blanketing sporadic 
      E observed at some sites.


PCA Event : No event.

Predicted Monthly T index for November:  52
2. FORECAST (11 NOVEMBER - 13 NOVEMBER)
Date   T index  Conditions       MUFs                              
11 Nov    60    Fair-Normal      near predicted monthly values (North Aus)
11 Nov    25    Fair             depressed 10 to 20% (south Aus/NZ)
12 Nov   20/60  Fair/Normal      depressed 10 to 20%/near predicted 
                                 monthly values     
13 Nov   20/60  Fair/Normal      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 85 was issued on 9 November 
and is current for interval 10-11 November. Depressed MUFs again 
observed since local dawn this morning for southern Aus/NZ region. 
Northern Aus region MUFS mostly near normal or only mildly depressed. 
Depression associated with geomagnetic activity induced by coronal 
hole high speed wind stream. Extended interval of lower than 
normal MUFs for southern Aus/NZ region probable over next few 
days. 

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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