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

rwc rwc at ips.gov.au
Fri Jun 12 09:40:30 EST 2009


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z JUNE 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 JUNE) 
Date   T index  Conditions    
11 Jun     9    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% 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):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for June:   5
2. FORECAST (12 JUNE - 14 JUNE)
Date   T index  Conditions       MUFs                              
12 Jun     8    Normal           0 to 10% above predicted monthly 
                                 values 
13 Jun    13    Normal           0 to 20% above predicted monthly 
                                 values     
14 Jun    10    Normal           0 to 15% above predicted monthly 
                                 values    
COMMENT: HF MUF conditions are expected to remain mostly normal 
to slightly enhanced across Aust/NZ region for the next three 
days. Nighttime MUF enhancements are noted in particular. Prevalance 
of night spread-F in near equatorial regions. Possibility of 
increased MUF enhancements and a slightly disturbed ionosphere 
around the 13th due to the passage of a solar IMF sector boundary 
and possible Unsettled geomagnetic field. 
----------------------------------------------------------
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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