[Ips-dhfpr] IPS Daily HF Prop Report - 15 March 07

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z MARCH 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 MARCH) 
Date   T index  Conditions    
15 Mar     3    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
      Niue showed an unusual daytime depression 01-05UT
      which was local.
   Northern Australian Region:
      Mostly near predicted monthly values,
   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.

Predicted Monthly T index for March:  10
2. FORECAST (16 MARCH - 18 MARCH)
Date   T index  Conditions       MUFs                              
16 Mar     6    Normal           about 5% below predicted monthly 
                                 values 
17 Mar     8    Normal           Near predicted monthly values     
18 Mar    10    Normal           Near predicted monthly values    
COMMENT: HF conditions were mostly near normal for mid-latitudes 
with some slight depressions in the local evening. Equatorial 
latitudes showed MUF depressions of up to 20% during evening 
and local night, apparently a delayed reaction to the recent 
geogmetic activity. Conditions should be returning to normal 
for 15 March at mid latitudes with the continuing chance of equatorial 
latitude depressions in MUF. Recovery is slow due to lack of 
sunspot activity and the solar wind declining less quickly than 
expected. Polar latitudes remain slightly disturbed and MUFs 
are volatile as usual. 
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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->
Glossary on Solar Terrestrial Terms.

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