[Ips-dhfpr] IPS Daily HF Prop Report - 23 May 02

rwc rwc at ips.gov.au
Fri May 24 10:08:03 EST 2002


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z MAY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 MAY) 
Date   T index  Conditions    
23 May   123    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
      Enhanced by 35% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.


Predicted Monthly T index for May: 113
2. FORECAST (24 MAY - 26 MAY)
Date   T index  Conditions       MUFs                              
24 May   120    Normal-fair      near predicted monthly values/depressed 
                                 5 to 10% 
25 May   130    Normal           near predicted monthly values     
26 May   135    Normal           Near predicted monthly values    
COMMENT: IPS HF Communications Warning 25 was issued on 21 May 
and is current for interval 24-25 May. Mild degradation in HF 
conditions expected on 24 May. HF conditions are expected to 
show recovery on 25 May. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 




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