[Ips-dhfpr] IPS Daily HF Prop Report - 22 May 10

rwc rwc at ips.gov.au
Sun May 23 09:05:47 EST 2010


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z MAY 2010 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    11    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day,
      Depressed by 20% during local night.
   Niue Island Region:
      Depressed by 25% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   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:  24
2. FORECAST (23 MAY - 25 MAY)
Date   T index  Conditions       MUFs                              
23 May    20    Normal           Near predicted monthly values 
24 May    20    Normal           Near predicted monthly values     
25 May    20    Normal           Near predicted monthly values    
COMMENT: Mild MUF depressions were observed in the Australian 
region due to the lower EUV levels emitted from the sun, resulting 
from the lack of sunspots on the visible solar disc. Expect MUFs 
to return to normal monthly predicted values as solar activity 
on the visible disc increases slightly. 
----------------------------------------------------------
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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