[Ips-dhfpr] IPS Daily HF Prop Report - 18 June 07

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JUNE 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JUNE) 
Date   T index  Conditions    
18 Jun    0     Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by 30% during local day with periods of
      significant degradations,
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night with periods of
      significant degradations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day with 
      periods of significant degradations.

PCA Event : No event.

Predicted Monthly T index for June:   9
2. FORECAST (19 JUNE - 21 JUNE)
Date   T index  Conditions       MUFs                              
19 Jun     8    Normal           Near predicted monthly values 
20 Jun     6    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 10%     
21 Jun     5    Normal-fair      Near predicted monthly values/depressed 
                                 5 to 15%.    
COMMENT: HF conditions are expected to remain mostly normal 
in most parts of Aus/NZ regions with some possibility of 
minor to mild degradations in the Sourthern Aus/NZ regions 
on 19 June. Minor to moderate degradations and MUF depressions 
may be observed on 20 and 21 June across Aus/NZ regions due 
to the possibility of enhancements in geomagnetic activity 
during this period. 
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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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