[Ips-dhfpr] IPS Daily HF Prop Report - 10 September 05

rwc rwc at ips.gov.au
Sun Sep 11 09:54:08 EST 2005


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z SEPTEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 SEPTEMBER) 
Date   T index  Conditions    
10 Sep    26    Normal-poor    

Flares    Max     Fadeout    Freq.  Sectors
  M3.8 09/2300UT  possible   lower  West Pacific
  M1.1    0354UT  possible   lower  E. Asia/Aust.
  M1.2    0604UT  possible   lower  Mid East/Indian
  M3.7    0614UT  possible   lower  Mid East/Indian
  M1.9    0907UT  possible   lower  Mid East/Indian
  X1.2    1643UT  probable   all    South American/
                                    Atlantic
  M4.1    1937UT  possible   lower  East Pacific/
                                    North American
  X2.1    2211UT  probable   all    West Pacific

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Depressed by 30% during local night.
      Depressed by 60% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 08 09 2005 0235UT and is in progress

Predicted Monthly T index for September:  24
2. FORECAST (11 SEPTEMBER - 13 SEPTEMBER)
Date   T index  Conditions       MUFs                              
11 Sep    15    Fair             near predicted monthly values 
                                 /depressed 5 to 20% 
12 Sep    20    Fair             near predicted monthly values 
                                 /depressed 5 to 10%     
13 Sep    20    Fair             near predicted monthly values 
                                 /depressed 5 to 15%    
COMMENT: IPS HF Communications Warning 33 was issued on 10 September 
and is current for interval 10-11 September. HF conditions may 
show minor to moderate degradations in Aus/NZ regions during 
the next three days. 
----------------------------------------------------------
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.

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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