[Ips-dhfpr] IPS Daily HF Prop Report - 07 May 03

rwc rwc at ips.gov.au
Thu May 8 09:14:28 EST 2003


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 07/2330Z MAY 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 MAY) 
Date   T index  Conditions    
07 May    78    Normal-fair    

Flares: none.

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


PCA Event : No event.

Predicted Monthly T index for May:  72
2. FORECAST (08 MAY - 10 MAY)
Date   T index  Conditions       MUFs                              
08 May    40    Fair-Normal      depressed 10 to 15%/near predicted 
                                 monthly values (South Aus)
08 May    80    Normal           near to 15% above predicted 
                                 monthly values (North Aus)
09 May    70    Normal           Near predicted monthly values     
10 May    75    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 33 was issued on 7 May 
and is current for interval 8 May only. Southern Aus/NZ region 
MUFs depressed 15% after local dawn this morning. Northern Aus 
region MUFs appear unaffected at this stage. Some spread F was 
observed on southern Aus region station ionograms during local 
night hours last night, indicating degraded HF conditions. 

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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