[Ips-dhfpr] IPS Daily HF Prop Report - 23 April 07

rwc rwc at ips.gov.au
Tue Apr 24 09:30:02 EST 2007


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 23/2330Z APRIL 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 APRIL) 
Date   T index  Conditions    
23 Apr    19    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values over UT day.
   Northern Australian Region:
      Depressed by 15% during local day,
      Enhanced  by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for April:   9
2. FORECAST (24 APRIL - 26 APRIL)
Date   T index  Conditions       MUFs                              
24 Apr     9    Normal           near predicted monthly values 
25 Apr     7    Normal           near predicted monthly values     
26 Apr     7    Normal           near predicted monthly values    

COMMENT: The ionosphere in the Australian region was generally 
stronger than expected over the past 24 hours. MUFs were enhanced 
by 30% at most Australian and NZ stations throughout the local 
night. Some MUF depressions were observed during the day at 
Equatorial and N.Aus stations. Whilst MUF depressions are possible 
in the Australian region today (24 April) they are only expected 
to be mild. 

----------------------------------------------------------
For an explanation of some of the terms in this report, goto
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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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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