[Ips-dhfpr] IPS Daily HF Prop Report - 17 May 11

rwc rwc at ips.gov.au
Wed May 18 09:42:35 EST 2011


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z MAY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 MAY) 
Date   T index  Conditions    
17 May    49    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day,
      Depressed by up to 30% after 12UT.
   Niue Island Region:
      Depressed by 15%. 
   Northern Australian Region:
      Near predicted monthly values to 15% depressed.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% 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:  49
2. FORECAST (18 MAY - 20 MAY)
Date   T index  Conditions       MUFs                              
18 May    45    Normal           near predicted monthly values 
19 May    45    Normal           near predicted monthly values     
20 May    50    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. Conditions are expected to be mostly good 
for the next few days, with some depressed periods possible for 
low and mid lattitudes. 
----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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