[Ips-dhfpr] IPS Daily HF Prop Report - 19 October 12 issued 2334 UT on 19 Oct 2012

rwc rwc at ips.gov.au
Sat Oct 20 10:34:13 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 OCTOBER 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 OCTOBER) 
Date   T index  Conditions    
19 Oct   102    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 35% during local day.
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Darwin enhanced to 50% 11-15UT.
      Townsville enhanced to 30% 13-15UT.
      Learmonth enhanced to 30% 05-07UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for October:  81


2. FORECAST (20 OCTOBER - 22 OCTOBER)
Date   T index  Conditions       MUFs                              
20 Oct   100    Normal           0 to 15% above predicted monthly 
                                 values
21 Oct   100    Normal           0 to 15% above predicted monthly 
                                 values    
22 Oct   100    Normal           0 to 15% above predicted monthly 
                                 values   

COMMENT: Equatorial/N Aus region MUF's enhanced due to high EUV 
flux associated with a number of active regions on the visible 
solar disk. Although solar flare activity has been low, there 
remains the possibility of isolated M-class flares with associated 
HF fadeouts. Anticipated mild geomagnetic activity days two and 
three may produce low-latitude MUF variability and high latitude 
disturbances.

----------------------------------------------------------
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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