[Ips-dhfpr] IPS Daily HF Prop Report - 22 June 07

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z JUNE 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 JUNE) 
Date   T index  Conditions    
22 Jun    12    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   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):
      Mostly near predicted monthly values.
      Degraded conditions observed at times due to
      Sporadic-E and/or Spread-F conditions.

PCA Event : No event.

Predicted Monthly T index for June:   9
2. FORECAST (23 JUNE - 25 JUNE)
Date   T index  Conditions       MUFs                              
23 Jun     5    Normal           near predicted monthly values/depressed 
                                 5 to 10% 
24 Jun     5    Normal           near predicted monthly values/depressed 
                                 5 to 10%     
25 Jun     5    Normal           near predicted monthly values/depressed 
                                 5 to 10%    
COMMENT: Sporadic-E and/or Spread-F conditions were observed 
at times at most Aus/NZ regions during the past 24 hours. These 
conditions may have degraded communications. Slight depressions 
are possible at times over the next few days otherwise mostly 
normal conditions are expected. Sporadic-E and/or Spread-F conditions 
may degrade communications at times during 23 June. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
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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