[Ips-dhfpr] IPS Daily HF Prop Report - 07 July 12 issued 2330 UT on 07 Jul 2012

rwc rwc at ips.gov.au
Sun Jul 8 09:30:18 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 JULY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 JULY) 
Date   T index  Conditions    
07 Jul    75    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0316UT  possible   lower  E. Asia/Aust.
  M1.0    0830UT  possible   lower  Mid East/Indian
  M2.6    1103UT  possible   lower  European

MUFs:
   Cocos Island Region:
      Enhanced 20-55% 03-12 UT. Depressed 20-30% 01,
      14-17, 22-23 UT. Near predicted monthly values at
      other times. Sporadic E 16-22 UT.
   Niue Island Region:
      Near predicted monthly values with 15-30% depressions
      10-15 UT.
   Northern Australian Region:
      Near predicted monthly values with 15-35% depressions
      00-02, 09-16, 19-21 UT at Darwin and 15-20%
      depressions 01-02, 09-12, 15, 23 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with 15-30% depressions
      11-14 UT at Perth and Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values.

PCA Event : No event.

Predicted Monthly T index for July:  77

2. FORECAST (08 JULY - 10 JULY)
Date   T index  Conditions       MUFs                              
08 Jul    85    Fair             Near predicted monthly values
09 Jul    75    Normal           Near predicted monthly values    
10 Jul    75    Normal-fair      Near predicted monthly values   

COMMENT: IPS HF Communications Warning 26 was issued on 5 July 
and is current for 6-8 Jul (SWFs). Spread F observed during night 
at most stations probably degrading communication paths. Occasional 
depressions to 25% possible at all latitudes.

----------------------------------------------------------
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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