[Ips-dhfpr] IPS Daily HF Prop Report - 11 April 05

rwc rwc at ips.gov.au
Tue Apr 12 09:13:57 EST 2005


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z APRIL 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 APRIL) 
Date   T index  Conditions    
11 Apr    46    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
      Range spread observed 12-15UT at Vanimo.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Predicted Monthly T index for April:  29
2. FORECAST (12 APRIL - 14 APRIL)
Date   T index  Conditions       MUFs                              
12 Apr    40    Normal-Fair      near predicted monthly values 
13 Apr    20    Normal           depressed 10 to 20%/near predicted 
                                 monthly values     
14 Apr    20    Normal           depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 18 was issued on 10 April 
and is current for interval 12-13 April. Good HF communication 
conditions now expected for today. Forecast mild depressions 
for southern Aus/NZ region now appearing less likely. 
----------------------------------------------------------
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
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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