[Ips-dhfpr] IPS Daily HF Prop Report - 06 May 10

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 06/2330Z MAY 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 MAY) 
Date   T index  Conditions    
06 May    23    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      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 May:  24
2. FORECAST (07 MAY - 09 MAY)
Date   T index  Conditions       MUFs                              
07 May    24    Normal           near predicted monthly values 
08 May    24    Normal           near predicted monthly values     
09 May    28    Normal           Near predicted monthly values    
COMMENT: Frequencies at most Australian latitudes near monthly 
medians but equatorial regions depressed at night, probably due 
to remnant geomagnetic activity from earlier in the week. Expecting 
to continue near median conditions for the next 3 days. Small 
possibility of an SWF from AR1069 which has already produced 
an M1 flare and has potential for more. A solar CME early on 
6th May does not appear to be Earth directed but a coronal hole 
and, probably associated corotating IMF disturbance, may cause 
geomagnetic activity 10-11th May, possibly depressing HF frequencies. 
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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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