[Ips-dhfpr] IPS Daily HF Prop Report - 17 March 15 issued 2353 UT on 17 Mar 2015

rwc rwc at ips.gov.au
Wed Mar 18 10:53:12 EST 2015


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 MARCH 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 MARCH) 
Date   T index  Conditions    
17 Mar    84    Poor-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Depressed by 35% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 40% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressed by 50% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      116
Mar      90
Apr      89


2. FORECAST (18 MARCH - 20 MARCH)
Date   T index  Conditions       MUFs                              
18 Mar     0    Poor-normal      40 to 50% below predicted monthly 
                                 values
19 Mar    50    Normal-fair      15 to 20% below predicted monthly 
                                 values    
20 Mar    90    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 8 was issued on 17 March 
and is current for 18-19 Mar. Significant depressions were observed 
across much of the Australian region. Significant depressions 
are expected to persist during 18-Mar, with MUFs starting to 
recover on 19-Mar and returning to near monthly predicted values 
on 20-Mar.

----------------------------------------------------------
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
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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