[Ips-dhfpr] IPS Daily HF Prop Report - 18 June 10

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JUNE 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JUNE) 
Date   T index  Conditions    
18 Jun     7    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values,
   Niue Island Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values 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 June:  26
2. FORECAST (19 JUNE - 21 JUNE)
Date   T index  Conditions       MUFs                              
19 Jun     5    Normal           depressed 10 to 20%/near predicted 
                                 monthly values 
20 Jun    10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values     
21 Jun    10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: Depressed MUFs observed for Northern AUS/Equatorial 
and Southern AUS/NZ regions during local day. Disturbed periods 
for Antarctic regions with otherwise normal HF conditions. Notable 
sporadic E for Northern AUS/Equatorial region, in particular 
for IPS sounding stations Cocos Is. at 10UT-13UT and Townsville,
Brisbane,Norfolk Is. between 04UT-07UT. Similar conditions are 
expected for the next 3 days, with MUF depressions of 10%-20% for 
low to mid latitudes. 
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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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