[Ips-dhfpr] IPS Daily HF Prop Report - 18 July 10

rwc rwc at ips.gov.au
Mon Jul 19 09:30:53 EST 2010


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JULY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JULY) 
Date   T index  Conditions    
18 Jul    10    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values to 20% enhanced 04-07
      and 11-13 UT. Depressions to 25% at other times.
      Sporadic E observed 14-17 UT.
   Niue Island Region:
      Mostly 10-30% depressed.
   Northern Australian Region:
      Mostly 10-25% depressed. Spread F observed 14-20 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 20% depressed. Spread
      observed during night time.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% depressed.

PCA Event : No event.

Predicted Monthly T index for July:  27
2. FORECAST (19 JULY - 21 JULY)
Date   T index  Conditions       MUFs                              
19 Jul    10    Fair-normal      Near predicted monthly values 
                                 to 25% depressed. 
20 Jul    10    Fair-normal      Near predicted monthly values 
                                 to 25% depressed.     
21 Jul    10    Fair-normal      Near predicted monthly values 
                                 to 25% depressed.    

COMMENT: Spread F may degrade night circuits. 

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