[Ips-dhfpr] IPS Daily HF Prop Report - 07 April 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 07/2330Z APRIL 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 APRIL) 
Date   T index  Conditions    
07 Apr    60    Normal         

Flares: none.

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


PCA Event : No event.

Predicted Monthly T index for April:  45
2. FORECAST (08 APRIL - 10 APRIL)
Date   T index  Conditions       MUFs                              
08 Apr    70    Normal-Fair      10 to 20% above predicted monthly 
                                 values 
09 Apr    60    Normal           5 to 15% above predicted monthly 
                                 values     
10 Apr    70    Normal           10 to 20% above predicted monthly 
                                 values    
COMMENT: IPS HF Communications Warning 21 was issued on 7 April 
and is current for interval 8 April only. Overnight spread-F 
conditions observed S Aus region. Spread-F observed generally 
in Antarctic region. HF conditions should be mostly normal to 
enhanced next three days. There is a possibility of distrubances 
on day one at mid to high latitudes due to anticipated solar 
wind shock arrival following the recent CME sequence. 

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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