[Ips-dhfpr] IPS Daily HF Prop Report - 09 September 11

rwc rwc at ips.gov.au
Sat Sep 10 10:43:23 EST 2011


SUBJ: IPS DAILY HF PROPAGATION REPORT ** CORRECTED VERSION **
ISSUED AT 10/0030Z SEPTEMBER 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 SEPTEMBER) 
Date   T index  Conditions    
09 Sep    46    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M2.7    0611UT  possible   lower  Mid East/European
  M1.2    1249UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day,
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for September:  62
2. FORECAST (10 SEPTEMBER - 12 SEPTEMBER)
Date   T index  Conditions       MUFs                              
10 Sep    40    Normal-fair      Depressed 10 to 20%/near predicted 
                                 monthly values
11 Sep    50    Normal-fair      Depressed 5 to 15%/near predicted 
                                 monthly values    
12 Sep    50    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 15%   

COMMENT: Observed MUFs were mostly near predicted values to depressed 
10-20% at times during the last 24 hours. MUFs are expected to 
be depressed at times over the next few days as the result of 
recent geomagnetic activity. SWFs are possible over the next 
few days.
----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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