[Ips-dhfpr] IPS Daily HF Prop Report - 20 May 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z MAY 2004 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    70    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 45% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


PCA Event : No event.

Predicted Monthly T index for May:  43
2. FORECAST (21 MAY - 23 MAY)
Date   T index  Conditions       MUFs                              
21 May    70    Normal           10 to 20% above predicted monthly 
                                 values 
22 May    65    Normal           5 to 15% above predicted monthly 
                                 values     
23 May    70    Normal           10 to 20% above predicted monthly 
                                 values    
COMMENT: Mild overnight spread-F observed S Aus/NZ regions. Spread-F 
observed generally Antarctic region. Mostly normal to good HF 
conditions are expected over the next three days. Possible isolated 
degradations at mid to high latitudes on days one and two in 
association with mild geomagnetic disturbances. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

IPS Radio and Space Services      | email: asfc at ips.gov.au
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