[Ips-dhfpr] IPS Daily HF Prop Report - 01 August 05

rwc rwc at ips.gov.au
Tue Aug 2 09:52:37 EST 2005


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 01/2330Z AUGUST 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 AUGUST) 
Date   T index  Conditions    
01 Aug    52    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.0    1357UT  possible   lower  European

MUFs:
   Equatorial PNG Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values, with extended
      periods of disturbance. 

PCA Event : Began at 2325UT 27/07, Ended at 1105UT 01/08
 

Predicted Monthly T index for August:  25
2. FORECAST (02 AUGUST - 04 AUGUST)
Date   T index  Conditions       MUFs                              
02 Aug    50    Normal           Near predicted monthly values 
03 Aug    55    Normal           5 to 15% above predicted monthly 
                                 values     
04 Aug    50    Normal           Near predicted monthly values    
COMMENT: Mostly normal to enhanced HF conditions observed Equatorial/Aus 
regions. Expect periods of degradation S Aus/NZ/Antarctic regions 
on day one due to geomagnetic activity associated with an observed 
minor solar wind shock. The proton event following recent flare 
activity ended at 1105UT. Minor daytime absorption is expected 
to continue in polar cap on day one. Possible further disturbance 
in Antarctic regions on day three due to an anticipated mild 
solar wind shock. Isolated radio fadeouts possible during local 
day over the next week due to active sunspot region. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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