[Ips-dhfpr] IPS Daily HF Prop Report - 20 January 09

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z JANUARY 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 JANUARY) 
Date   T index  Conditions    
20 Jan   -14    Fair           

Flares: none.

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

PCA Event : No event.

Predicted Monthly T index for January:   6
2. FORECAST (21 JANUARY - 23 JANUARY)
Date   T index  Conditions       MUFs                              
21 Jan   -15    Normal-fair      near predicted monthly values/depressed 
                                 10 to 20% 
22 Jan   -15    Normal-fair      near predicted monthly values/depressed 
                                 10 to 20%     
23 Jan   -15    Normal           near predicted monthly values/depressed 
                                 10 to 20%    

COMMENT: Intermittent sporadic-E events observed throughout the 
region. Very strong and blanketing at times, particularly in 
the Canberra - Sydney region 00-04UT. MUFs were generally mildly 
depressed with some significant local depressions during the 
day in the equatorial region. Continuing Sporadic-E events likely 
from Equatorial to S Aus/NZ regions. Expect continuing variable 
HF conditions with occasional MUF depressions 21 Jan. Disturbances 
possible in the Antarctic region due to substorm activity. 

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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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