[Ips-dhfpr] IPS Daily HF Prop Report - 30 June 15 issued 2330 UT on 30 Jun 2015

Regional Warning Centre rwc at ips.gov.au
Wed Jul 1 09:30:41 EST 2015


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 JUNE 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 JUNE) 
Date   T index  Conditions    
30 Jun    54    Depressed         

Flares: C class flares

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   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
May      83
Jun      86
Jul      84


2. FORECAST (01 JULY - 03 JULY)
Date   T index  Conditions       MUFs                              
01 Jul    60    Depressed        Depressed 15%/near predicted 
                                 monthly values
02 Jul    65    Depressed        Depressed 15%/near predicted 
                                 monthly values    
03 Jul    70    Normal           Near predicted monthly values   

COMMENT: Conditions for HF radio wave propagation were generally 
depressed throughout the Australian region during 30 Jun. The 
conditions were more strongly depressed at low latitude stations 
and starting to recover at mid-latitude locations. For example, 
the daily T index for Darwin was 42 and for Canberra 57. The 
conditions are expected to be depressed again today, but trend 
gradually back toward near predicted monthly values during the 
next 3 days.

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