[Ips-dhfpr] IPS Daily HF Prop Report - 22 June 14 issued 2330 UT on 22 Jun 2014

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 JUNE 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 JUNE) 
Date   T index  Conditions    
22 Jun    47    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced 25-40% 07-10 UT. Depressed 20-45%
      00, 11-19 UT. No data 20-23 UT. Near predicted
      monthly values at other times. Spread F 17-19 UT.
   Niue Island Region:
      Depressed 20-40% 02-04, 06-15, 21-22 UT. Near
      predicted monthly values at other times.
   Northern Australian Region:
      Mostly depressed 15-40% at Darwin. Near predicted
      monthly values, depressed 20-30% 06, 10-13, 21, 23
      UT at Townsville. Spread F 12-20 UT at both stations.
      Sporadic E at Townsville 05-10 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 20% depressed.
      Depressions 20-30% at times mostly 08-12 UT. Night
      spread F observed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

PCA Event : No event.

Monthly T index:
Month  T index
May      80
Jun      92
Jul      91


2. FORECAST (23 JUNE - 25 JUNE)
Date   T index  Conditions       MUFs                              
23 Jun    60    Fair-normal      Near predicted monthly values 
                                 to 20% depressed
24 Jun    60    Fair-normal      Near predicted monthly values 
                                 to 20% depressed    
25 Jun    55    Fair-normal      Near predicted monthly values 
                                 to 25% depressed   

COMMENT: IPS HF Communications Warning 31 was issued on 22 June 
and is current for 23-25 Jun. Lower than expected solar flux 
is likely to reduce MUFs below those based on the monthly T index. 
Night communications may be degraded.

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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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