[Ips-dhfpr] IPS Daily HF Prop Report - 02 June 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 02/2330Z JUNE 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 JUNE) 
Date   T index  Conditions    
02 Jun    81    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
 M6/SF    0022UT  probable   lower  West Pacific
 M3/SF    0837UT  possible   lower  Mid East/Indian
 M1/SF    1317UT  possible   lower  European
 M1/SF    1733UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values,
      spread F and some absorption observed.


PCA Event : No event.

Predicted Monthly T index for June:  67
2. FORECAST (03 JUNE - 05 JUNE)
Date   T index  Conditions       MUFs                              
03 Jun    60    Normal-Fair      depressed 10 to 15%/near predicted 
                                 monthly values 
04 Jun    45    Fair             depressed 10 to 20%/near predicted 
                                 monthly values     
05 Jun    45    Fair             depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 43 was issued on 2 June 
and is current for interval 3-5 June. Some southern region sites 
depressed 15% after local dawn. Southern region MUFs expected 
to be depressed 15% after local dawn over the next few days. 
Northern Aus region MUFS have been near predicted monthly values 
and are expected to remin mostly unaffected by coronal hole high 
speed wind stream induced geomagnetic activity. 

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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