[Ips-dhfpr] IPS Daily HF Prop Report - 16 May 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z MAY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 MAY) 
Date   T index  Conditions    
16 May    60    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by 25% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressions of up to 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

PCA Event : No event.

Predicted Monthly T index for May:  49
2. FORECAST (17 MAY - 19 MAY)
Date   T index  Conditions       MUFs                              
17 May    55    Normal           near predicted monthly values 
18 May    55    Normal           near predicted monthly values     
19 May    60    Normal           near predicted monthly values    
COMMENT: Mostly normal HF conditions were observed. Some MUF 
depressions were observed at low and mid lattitudes, particularly 
during local night. Stations where these were most pronounced 
were Cocos Island and Darwin, with some more mild depressions 
seen at Learmonth. Similar isolated depressions may occur during 
the next 24 hours after which consistantly Good conditions are 
expected. 
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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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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