[Ips-dhfpr] IPS Daily HF Prop Report - 20 May 03

rwc rwc at ips.gov.au
Wed May 21 09:46:52 EST 2003


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z MAY 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 MAY) 
Date   T index  Conditions    
20 May    82    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Minor depression during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values with isolated periods of
      disturbance.


PCA Event : No event.

Predicted Monthly T index for May:  72
2. FORECAST (21 MAY - 23 MAY)
Date   T index  Conditions       MUFs                              
21 May    90    Normal           Near predicted monthly values 
22 May    90    Normal           Near predicted monthly values     
23 May    80    Normal           Near predicted monthly values    
COMMENT: Periods of spread-F observed at southern mid latitudes 
and high latitudes. Periods of intense sporadic-E observed Southern 
Ocean/Antarctic regions. Expect generally improving HF conditions 
over the next two days. Possibility of further coronal hole induced 
disturbances after May 22. 

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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