[Ips-dhfpr] IPS Daily HF Prop Report - 17 November 08

rwc rwc at ips.gov.au
Tue Nov 18 10:35:18 EST 2008


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z NOVEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 NOVEMBER) 
Date   T index  Conditions    
17 Nov   -33    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Variable conditions during local day,
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day,
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Depressed by 25% 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 November:   3
2. FORECAST (18 NOVEMBER - 20 NOVEMBER)
Date   T index  Conditions       MUFs                              
18 Nov   -10    Normal           near predicted monthly values/depressed 
                                 10 to 20% 
19 Nov   -10    Normal           near predicted monthly values/depressed 
                                 10 to 20%     
20 Nov   -10    Normal           near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: IPS HF Communications Warning 14 was issued on 16 November 
and is current for interval 17-18 November. Depressed conditions 
expected for equatorial and north Australian regions, particularly 
for local night, probable cause very low solar activity. 
----------------------------------------------------------
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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