[Ips-dhfpr] IPS Daily HF Prop Report - 18 May 06

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z MAY 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 MAY) 
Date   T index  Conditions    
18 May    19    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 65% over the UT day.

PCA Event : No event.

Predicted Monthly T index for May:  15
2. FORECAST (19 MAY - 21 MAY)
Date   T index  Conditions       MUFs                              
19 May    10    Normal           near predicted monthly values/depressed 
                                 5 to 10% 
20 May    15    Normal           near predicted monthly values     
21 May    20    Normal           near predicted monthly values    
COMMENT: Mostly normal HF conditions observed for Northern Aus 
and Equatorial regions with some slight enhancements during local 
day. Southern Aus and NZ regions experienced some sporadic E 
while Antartic regions experienced some spread F as well as disturbed 
ionospheric conditions from an increase in geomagnetic activty 
from the current high speed solar wind stream of the geoeffective 
coronal hole. Similar conditions are expected over for the next 
24-48 hours, with some slightly depressed periods for Antarctic, 
Southern Aus and NZ regions. 
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For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary 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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