[Ips-dhfpr] IPS Daily HF Prop Report - 22 May 12 issued 2325 UT on 22 May 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 MAY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 MAY) 
Date   T index  Conditions    
22 May    82    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   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):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for May:  79


2. FORECAST (23 MAY - 25 MAY)
Date   T index  Conditions       MUFs                              
23 May    90    Normal           Near predicted monthly values
24 May    75    Normal           Near predicted monthly values    
25 May    75    Normal           Near predicted monthly values   

COMMENT: HF conditions were normal over the UT day, with MUFs 
mostly near predicted monthly values during the day, and up to 
15% depressed over night in N Aus and near equatorial locations. 
MUFs are expected to be mostly near predicted monthly values 
for the next three days, although some minor MUF depressions 
are likely in S.Aus/NZ/Antarctic regions days 2 and 3 (24-25 
May). Minor degradation of HF conditions may also be experienced 
in these regions.

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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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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