[Ips-dhfpr] IPS Daily HF Prop Report - 16 April 06

rwc rwc at ips.gov.au
Mon Apr 17 09:33:54 EST 2006


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z APRIL 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 APRIL) 
Date   T index  Conditions    
16 Apr     4    Fair-normal    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 25% over the UT day.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Extended periods of disturbance. 

PCA Event : No event.

Predicted Monthly T index for April:  16
2. FORECAST (17 APRIL - 19 APRIL)
Date   T index  Conditions       MUFs                              
17 Apr     5    Fair-normal      depressed 10 to 20%/near predicted 
                                 monthly values 
18 Apr     5    Fair-normal      depressed 10 to 20%/near predicted 
                                 monthly values     
19 Apr    10    Normal           Near predicted monthly values    
COMMENT: Variable regional HF conditions observed again under 
the influence of a high speed coronal hole wind stream. S Aus/NZ 
MUFs generally depressed, especially around local dawn. Sporadic 
E conditions observed some stations around local dawn. S Ocean/Antarctic 
conditions poor with extended periods of disturbance. The disturbance 
is due to a coronal hole wind stream which is expected to decline 
days one and two. Expect continuing variable HF conditions next 
1-2 days. 
----------------------------------------------------------
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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