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

rwc rwc at ips.gov.au
Sun Dec 16 10:08:32 EST 2007


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

1. SUMMARY (15 DECEMBER) 
Date   T index  Conditions    
15 Dec   -12    Normal         

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   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 December:   5
2. FORECAST (16 DECEMBER - 18 DECEMBER)
Date   T index  Conditions       MUFs                              
16 Dec     0    Normal           near predicted monthly values 
17 Dec   -10    Normal-Fair      depressed 10 to 20%/near predicted 
                                 monthly values     
18 Dec   -10    Normal           depressed 10 to 20%/near predicted 
                                 monthly values    

COMMENT: Noted isolated cases of sporadic E (Es) throughout the 
UT day in the Sydney area. Nuie showed Es during the evening, 
night and dawn hours. Townsville, Norfolk Is., Brisbane showed 
Es during the evening hours. Also note Scott showed spread F 
on its ionograms throughout the UT day. Expect possible MUF depression 
at high latitudes on the 17-18 December due to geomagnetic activity. 
----------------------------------------------------------
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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of IPS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
Occasionally IPS sends email promoting IPS products and 
services to its mailing list customers. If you do not wish to 
receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"





More information about the ips-dhfpr mailing list