[Ips-dhfpr] IPS Daily HF Prop Report - 23 July 12 issued 2342 UT on 23 Jul 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 JULY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 JULY) 
Date   T index  Conditions    
23 Jul    52    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values 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 July:  77


2. FORECAST (24 JULY - 26 JULY)
Date   T index  Conditions       MUFs                              
24 Jul    65    Normal           Near predicted monthly values
25 Jul    65    Normal           Near predicted monthly values    
26 Jul    60    Normal           Near predicted monthly values   

COMMENT: HF conditions were mostly normal 23 Jul. MUFs remain 
near predicted monthly values to 30% depressed. MUFs are expected 
to continue to be mildly depressed next three days. Degraded 
HF conditions expected at high latitudes 24-25 Jul. Weak Polar 
Cap Absorption (PCA) is ongoing in the high latitude regions 
as a result of enhanced solar proton flux, expected to continue 
into 24 Jul.

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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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