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

rwc rwc at ips.gov.au
Tue Jan 16 10:32:08 EST 2007


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

1. SUMMARY (15 JANUARY) 
Date   T index  Conditions    
15 Jan    12    Normal-fair    

Flares: none.

MUFs:
slightly below predicted monthly values

PCA Event : No event.

Predicted Monthly T index for January:  10
2. FORECAST (16 JANUARY - 18 JANUARY)
Date   T index  Conditions       MUFs                              
16 Jan    10    Normal-fair      about 5 15% below predicted 
                                 monthly values 
17 Jan     0    Normal-fair      about 10% below predicted monthly 
                                 values     
18 Jan    15    Normal           Near predicted monthly values    
COMMENT: MUFs are slightly reduced already due to high geomagnetic 
activity overnight due to the elevated solar wind speed from 
a recurrent solar coronal hole. They are likely to reduce further 
over the next day or two depending on geomagnetic activity. Strong 
sporadic E has been observed at most latitudes, particularly 
overnight and early this morning, in some cases blanketing the 
F. The south-eastern region appears particularly affected with 
Trans-Tasman circuits showing strong Es. Indications of spread 
F at low latitudes in PNG and northern Australia. 
----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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