[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 03/86
ISSUED AT 14/0215Z NOVEMBER 2003
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 14-15 NOVEMBER 2003.

WIDESPREAD DEPRESSIONS OF 15-30% OBSERVED AROUND LOCAL DAWN AND 
CONTINUING INTO LOCAL DAY TODAY. HF DEGRADATION ASSOCIATED 
WITH CORONAL HOLE INDUCED GEOMAGNETIC ACTIVITY EXPECTED TO 
PERSIST UNTIL AT LEAST NOV-15.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
FOLLOW ON HF WARNING FROM HF WARNING: 85
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
14 Nov:  Moderate             Possible             
15 Nov:  Moderate             Possible             

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
14 Nov    20     -11%         2  4  6  8 12 16 16 22 
15 Nov    30   normal         2  4  6  8 12 16 22 26 


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.