[Ips-dhfpr] IPS Daily HF Prop Report - 24 April 12 issued 2338 UT on 24 Apr 2012

rwc rwc at ips.gov.au
Wed Apr 25 09:38:29 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 APRIL 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 APRIL) 
Date   T index  Conditions    
24 Apr    76    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 30% over the UT day.

PCA Event : No event.

Predicted Monthly T index for April:  81


2. FORECAST (25 APRIL - 27 APRIL)
Date   T index  Conditions       MUFs                              
25 Apr    85    Normal           Near predicted monthly values
26 Apr    80    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
27 Apr    70    Normal           Near predicted monthly values   

COMMENT: MUFs were generally near predicted monthly values during 
local daytime with some nighttime depressions in Northern regions. 
Depressions observed in Southern Australia, with spread-F from 
15-20UT. MUFs are expected to be around predicted monthly values 
for the remainder of the forecast period with mild depressions 
due to continuing geomagnetic activity.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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