[Ips-dhfpr] IPS Daily HF Prop Report - 23 June 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z JUNE 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 JUNE) 
Date   T index  Conditions    
23 Jun    67    Fair-normal    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      15% depressed to near predicted monthly values.


PCA Event : No event.

Predicted Monthly T index for June:  68
2. FORECAST (24 JUNE - 26 JUNE)
Date   T index  Conditions       MUFs                              
24 Jun    65    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values 
25 Jun    65    Normal-Fair      depressed 10 to 20%/near predicted 
                                 monthly values     
26 Jun    65    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values    
COMMENT: Mild depressions are expected briefly after local dawn
over next few days, restricted to southern Aus/NZ region. Northern Aus 
region MUFs expected to be near to 15% above predicted monthly values. 
A stronger period of degradation is likely after 28 Jun, due to
a large coronal hole currently located in the eastern solar
hemisphere.

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

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