[Ips-dhfpr] IPS Daily HF Prop Report - 08 March 12 issued 2343 UT on 08 Mar 2012

rwc rwc at ips.gov.au
Fri Mar 9 10:43:51 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 08/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 MARCH) 
Date   T index  Conditions    
08 Mar    60    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced 20-30% 01-13UT.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced 20-50% 00-07UT.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Darwin depressed 20-30% 04-11UT.
      Sporadic-E at Townsville 02-07UT.
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 20% over the UT day.
      Hobart spread-F 10-20UT.
      Norfolk Is. sporadic-E 04-06UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      No data available over the UT day.
      Proton event in progress, increased absorption 
      to -6dB observed.

PCA Event : 10Mev Proton/PCA Event Began 07 03 2012 0530UT and is in progress

Predicted Monthly T index for March:  81


2. FORECAST (09 MARCH - 11 MARCH)
Date   T index  Conditions       MUFs                              
09 Mar    50    Normal-fair      Near predicted monthly values. 
                                 Depressions to 20% possible 
                                 at times. 
10 Mar    60    Normal           Near predicted monthly values. 
                                 Depressions to 20% possible 
                                 at times.     
11 Mar    70    Normal           Near predicted monthly values    

COMMENT: Variable enhancements / depressions observed Equatorial/N 
Aus regions. Widespread depressions local day Aus region. Weak 
ionosphere Antarctic region with increased absorption local day. 
Expect continuing moderate geomagnetic disturbances day one. 
Little ionospheric support expected Antarctic region days one 
and two. Disturbances possibly extending at times to S Aus region. 
Variable conditions likely Equatorial / N Aus regions. 

----------------------------------------------------------
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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