[Ips-dhfpr] IPS Daily HF Prop Report - 17 June 10

rwc rwc at ips.gov.au
Fri Jun 18 09:50:24 EST 2010


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z JUNE 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 JUNE) 
Date   T index  Conditions    
17 Jun    15    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day,
      Depressed by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Predicted Monthly T index for June:  26
2. FORECAST (18 JUNE - 20 JUNE)
Date   T index  Conditions       MUFs                              
18 Jun    10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values 
19 Jun    10    Normal-fair      depressed 10 to 20%/near predicted 
                                 monthly values     
20 Jun    15    Normal           depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 12 was issued on 17 June 
and is current for interval 17-18 June. Depressed MUFs observed 
for Equatorial regions during local day and night. Enhanced conditions 
for Southern AUS/NZ regions during local night and continued 
disturbed conditions for Antarctic regions. Notable sporadic 
E for Northern AUS regions. Similar conditions are expected for 
the next 3 days, with MUF depressions of 10%-20% for low to mid 
latitudes. 
----------------------------------------------------------
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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