[Ips-dhfpr] IPS Daily HF Prop Report - 21 April 06

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z APRIL 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 APRIL) 
Date   T index  Conditions    
21 Apr    19    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      No data available during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 20% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 25% over the UT day.

PCA Event : No event.

Predicted Monthly T index for April:  16
2. FORECAST (22 APRIL - 24 APRIL)
Date   T index  Conditions       MUFs                              
22 Apr    23    Normal           near predicted monthly values 
23 Apr    25    Normal           near predicted monthly values     
24 Apr    25    Normal           Near predicted monthly values    

COMMENT: Mostly normal HF conditions observed over the UT day. 
Minor MUF depressions observed during the day in the N.Aus/PNG 
region, and MUF enhancements observed overnight in the S.Aus/NZ 
region. Expect mostly normal conditions with a strengthening 
ionosphere over the next three days. MUFs near to slightly above 
predicted monthly values. Minor disturbances possible at high 
latitudes 22 April. 

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For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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