[Ips-dhfpr] IPS Daily HF Prop Report - 21 December 08

rwc rwc at ips.gov.au
Mon Dec 22 10:34:38 EST 2008


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z DECEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 DECEMBER) 
Date   T index  Conditions    
21 Dec   -24    Normal-fair    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Depressed by 15% 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 December:   4
2. FORECAST (22 DECEMBER - 24 DECEMBER)
Date   T index  Conditions       MUFs                              
22 Dec   -25    Normal-fair      near predicted monthly values/depressed 
                                 10 to 20% 
23 Dec   -25    Normal-fair      near predicted monthly values/depressed 
                                 10 to 20%     
24 Dec   -30    Normal-fair      near predicted monthly values/depressed 
                                 10 to 20%    
COMMENT: IPS HF Communications Warning 26 was issued on 20 December 
and is current for interval 20-22 December. Mostly normal HF 
conditions during local day for Equatorial/Northern AUS regions. 
Depressed conditions for Southern AUS/NZ and Antarctic regions. 
Similar conditions expected for the next 3 days, with MUF 
depressions 10%-20% expected for mid to high latitudes. 
----------------------------------------------------------
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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