[Ips-dhfpr] IPS Daily HF Prop Report - 18 January 11

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JANUARY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 JANUARY) 
Date   T index  Conditions    
18 Jan     3    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values with depressions to 35%
      11-13 UT.
   Niue Island Region:
      Depressed 15% with depressions to 50% 00-01 UT and
      depressions to 35% 02-06, 12-17 and 20-23 UT. Sporadic
      E observed 03-05 and spread F 14-16 UT.
   Northern Australian Region:
      Near predicted monthly values at Darwin with
      depressions to 45% 14-21 UT. Sporadic E observed 21-22
      UT. No data for Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 30%
      02-06, 18-19 UT at Brisbane, 00-07 at Norfolk Is.,
      depressions to 25% 00-07, 12-19 UT at Canberra, 01-06,
      13-14 UT at Sydney and 00-08, 17-18 UT at Hobart.
      Occasional sporadic E and night spread F observed.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%
      17-19 UT at Casey and to 20% 02-03, 12-13 UT at Mawson.
      No data for Macquarie Is. 04-21 UT.

PCA Event : No event.

Predicted Monthly T index for January:  37
2. FORECAST (19 JANUARY - 21 JANUARY)
Date   T index  Conditions       MUFs                              
19 Jan     5    Fair-normal      Near predicted monthly values 
                                 to 30% depressed. 
20 Jan    10    Fair-normal      Near predicted monthly values 
                                 to 30% depressed.     
21 Jan    15    Fair-normal      Near predicted monthly values 
                                 to 30% depressed.    

COMMENT: IPS HF Communications Warning 7 was issued on 18 January 
and is current for interval 19-21 January. Occasional seasonal 
sporadic E may degrade communications. Ionospheric depressions 
are likely due to the current low background solar flux output. 

----------------------------------------------------------
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
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"