[Ips-dhfpr] IPS Daily HF Prop Report - 22 May 14 issued 2344 UT on 22 May 2014

[rwc]

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

1. SUMMARY (22 MAY) 
Date   T index  Conditions    
22 May    72    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 40% 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
Apr      115
May      91
Jun      90


2. FORECAST (23 MAY - 25 MAY)
Date   T index  Conditions       MUFs                              
23 May    75    Normal           Near predicted monthly values
24 May    80    Normal           Near predicted monthly values    
25 May    80    Normal           Near predicted monthly values   

COMMENT: Ionospheric conditions were mostly normal with minor 
MUF depressions observed Equatorial/N Aus regions during local 
night. There was strong Spread-F in Darwin ionograms last night. 
Expect similar conditions next 24 hours with ionospheric support 
weakening due to low solar 10.7cm irradiance.

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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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