[Ips-dhfpr] IPS Daily HF Prop Report - 09 April 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z APRIL 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 APRIL) 
Date   T index  Conditions    
09 Apr    67    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 20% 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 over the UT day,
      with extended periods of localised disturbances.


PCA Event : No event.

Predicted Monthly T index for April:  45
2. FORECAST (10 APRIL - 12 APRIL)
Date   T index  Conditions       MUFs                              
10 Apr    60    Normal           10 to 20% above predicted monthly 
                                 values 
11 Apr    50    Normal-Fair      5 to 10% above predicted monthly 
                                 values     
12 Apr    60    Normal           10 to 20% above predicted monthly 
                                 values    
COMMENT: Mostly normal to enhanced ionospheric conditions observed 
Aus/NZ regions. Localised disturbances and spread-F conditions 
observed generally in Antarctic region. HF conditions should 
be mostly normal to enhanced next three days. There is a possibility 
of distrubances on day two at mid to high latitudes due to anticipated 
solar wind shock arrival. 

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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