[Ips-dhfpr] IPS Daily HF Prop Report - 19 July 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z JULY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JULY) 
Date   T index  Conditions    
19 Jul    54    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Predicted Monthly T index for July:  56
2. FORECAST (20 JULY - 22 JULY)
Date   T index  Conditions       MUFs                              
20 Jul    45    Normal           near predicted monthly values/depressed 
                                 10 to 20% 
21 Jul    45    Normal           near predicted monthly values/depressed 
                                 10 to 20%     
22 Jul    45    Normal           near predicted monthly values/depressed 
                                 10 to 20%    

COMMENT: Slight improvement in ionospheric support with variable 
HF conditions over the last 24 hours ranging from MUF depressions 
of approx 20% during local night for Equatorial and Northern 
AUS regions to near predicted monthly values to 20% enhanced 
for Southern AUS/NZ regions. Similar conditions are expected 
for the next 2 days. 
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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.

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