[Ips-dhfpr] IPS Daily HF Prop Report - 19 July 05

rwc rwc at ips.gov.au
Wed Jul 20 09:53:41 EST 2005


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z JULY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JULY) 
Date   T index  Conditions    
19 Jul    20    Normal         

Flares: none.

MUFs:
slightly below predicted monthly values

PCA Event : Began at 1740UT 17/07, Ended at 0920UT 18/07
 

Predicted Monthly T index for July:  27
2. FORECAST (20 JULY - 22 JULY)
Date   T index  Conditions       MUFs                              
20 Jul    23    Fair             about 5% below predicted monthly 
                                 values 
21 Jul    22    Normal-Fair      about 10% below predicted monthly 
                                 values     
22 Jul    20    Normal           about 10% below predicted monthly 
                                 values    
COMMENT: The ionosphere appears stable with the end of 
enhanced geomagnetic conditions from prolonged IMF Bz. The high 
latitudes will likely remain disturbed early today due to IMF Bz 
southwards. The oncoming coronal hole could disturb the ionosphere in the 
coming 2-3 days. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

IPS Radio and Space Services      | email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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