[Ips-dhfpr] IPS Daily HF Prop Report - 10 July 08

rwc rwc at ips.gov.au
Fri Jul 11 09:34:10 EST 2008


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z JULY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 JULY) 
Date   T index  Conditions    
10 Jul    -3    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 45% over the UT day.

PCA Event : No event.

Predicted Monthly T index for July:   4
2. FORECAST (11 JULY - 13 JULY)
Date   T index  Conditions       MUFs                              
11 Jul    -5    Normal           near predicted monthly values/depressed 
                                 5 to 10% 
12 Jul   -10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
13 Jul   -10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: Mostly normal HF conditions observed during the last 
24 hours. Northern AUS regions experienced depressed MUFs during 
local day. Southern AUS/NZ regions had continued enhanced conditions 
during local night. Mostly normal conditions for Antarctic regions 
with enhancements over the UT day. Similar conditions for each 
region are expected for the next 24 hours. An increase in geomagnetic 
activity is expected in the next 24 hours which will affect MUF's, 
with depressions ~20% possible for Southern AUS/NZ regions and 
disturbed ionospheric conditions for Antarctic regions for 12Jul-13Jul. 
----------------------------------------------------------
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
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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