[Ips-dhfpr] IPS Daily HF Prop Report - 28 January 12 issued 2353 UT on 28 Jan 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 28/2330Z JANUARY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JANUARY) 
Date   T index  Conditions    
28 Jan    79    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Enhanced by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values at some stations,
      otherwise a Proton event is causing increased absorption.

PCA Event : Began at 0545UT 23/01, Ended at 1100UT 27/01
 and, 10Mev Proton/PCA Event Began 28 01 2012 0615UT and is in progress

Predicted Monthly T index for January:  76
2. FORECAST (29 JANUARY - 31 JANUARY)
Date   T index  Conditions       MUFs                              
29 Jan    75    Normal           Near predicted monthly values
30 Jan    75    Normal           Near predicted monthly values    
31 Jan    65    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 15%   

COMMENT: MUFs were mostly near predicted monthly values with 
some depressions up to 15% at times at some locations. MUFs are 
expected to be mostly near predicted monthly values for the next 
few days with isolated depressions up to 15% possible at times 
for 31 January with anticipated mild increases in geomagnetic 
activity. Antarctic region MUFs are significantly degraded due 
to a PCA event that is expected to continue for at least the 
next 24 hours.

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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.

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