[Ips-dhfpr] IPS Daily HF Prop Report - 26 June 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 26/2330Z JUNE 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 JUNE) 
Date   T index  Conditions    
26 Jun    80    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 70% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Spread F observed local night hours.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F observed.


PCA Event : No event.

Predicted Monthly T index for June:  68
2. FORECAST (27 JUNE - 29 JUNE)
Date   T index  Conditions       MUFs                              
27 Jun    70    Fair             depressed 10 to 15%/near predicted 
                                 monthly values 
28 Jun    60    Fair             depressed 10 to 20%/near predicted 
                                 monthly values     
29 Jun    60    Fair             depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: Mild depressions possible after local dawn this morning 
southern Aus/NZ region. A generally degraded interval is expected 
over the next few days for southern Aus/NZ region as the Earth entered 
a coronal hole wind stream at about 12UT on 26 June. Northern 
Aus region MUFs expected to be near to 15% above predicted monthly 
values. Also, shortwave fadeout activity may increase over next 
few days, due to likelyhood of previously active solar region 
rotating onto solar disk. 

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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