[Ips-dhfpr] IPS Daily HF Prop Report - 17 May 07

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z MAY 2007 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    15    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 30% 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:   9
2. FORECAST (18 MAY - 20 MAY)
Date   T index  Conditions       MUFs                              
18 May    14    Normal           near predicted monthly values 
19 May    24    Normal           about 10% above predicted monthly 
                                 values     
20 May    10    Normal-fair      near predicted monthly values    

COMMENT: HF conditions are expected to be normal 18 May. MUF 
enhancements possible 19 May particularly at equatorial and low 
latitudes. Minor MUF depressions may occur 20 May in response 
to enhanced geomagnetic activity, particularly at mid-high latitudes. 
SWFs possible 18 May in the sunlit hemisphere. 

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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->
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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