[Ips-dhfpr] IPS Daily HF Prop Report - 05 February 09

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 05/2330Z FEBRUARY 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 FEBRUARY) 
Date   T index  Conditions    
05 Feb    -8    Normal-fair    

Flares: None

MUFs:
   Equatorial PNG/Niue Region:
      Niue MUFs were near predicted to 30% depressed. Vanimo
      MUFs were near predicted with enhancements 11-19 UT.
      Some night spread F observed.
   Northern Australian Region:
      Darwin MUFs were mostly near predicted to enhanced
      with 35% depressions 07-08 UT. Cocos Is. MUFs were
      depressed 20-50% and Townsville MUFs were near
      predicted with depressions to 35% 00-08 UT. Night
      spread F observed.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 30% depressed. Night
      spread F observed. Sporadic E observed at stations
      between 00-20 UT, obscuring the F region at times.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted to 25% depressed.

PCA Event : No event.

Predicted Monthly T index for February:   6
2. FORECAST (06 FEBRUARY - 08 FEBRUARY)
Date   T index  Conditions       MUFs                              
06 Feb   -20    Normal-fair      Near predicted monthly values 
                                 to 30% depressed. 
07 Feb   -20    Normal-fair      Near predicted monthly values 
                                 to 30% depressed.     
08 Feb   -20    Normal-fair      Near predicted monthly values 
                                 to 30% depressed.    
COMMENT: IPS HF Communications Warning 2 was issued on 5 February 
and is current for interval 6-8 February. Sporadic E may disrupt 
communications at times, particularly at mid-latitudes. Night 
spread F may degrade communications. 

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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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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