[Ips-dhfpr] IPS Daily HF Prop Report - 09 April 15 issued 2349 UT on 09 Apr 2015

rwc rwc at ips.gov.au
Fri Apr 10 09:49:36 EST 2015


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 APRIL 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 APRIL) 
Date   T index  Conditions    
09 Apr    98    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   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
Mar      99
Apr      90
May      89


2. FORECAST (10 APRIL - 12 APRIL)
Date   T index  Conditions       MUFs                              
10 Apr    80    Fair-normal      Near predicted monthly values
11 Apr    80    Fair-normal      Near predicted monthly values    
12 Apr    90    Fair-normal      Near predicted monthly values   

COMMENT: Maximum useable frequencies for HF communications are 
expected to be around predicted monthly values to slightly depressed 
today. The ionosphere may be slightly to moderately disturbed 
today and tomorrow due to weak geomagnetic storm possibly causing 
minor disruption in HF communication particularly at higher 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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