[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 03/03
ISSUED AT 23/0051Z JANUARY 2003
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

ENHANCED GEOMAGNETIC ACTIVITY EXPECTED DUE TO 
CORONAL HOLE EFFECT.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 23-25 JANUARY 2003 SOUTHERN AUS/NZ REGION ONLY.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
23 Jan:  Low                  Possible             
24 Jan:  Low                  Possible             
25 Jan:  Low                  Possible             

HF COMMUNICATIONS FORECAST (SOUTHERN AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
23 Jan    90   -5 to -20%     2  4  6  8 12 16 22 26 
24 Jan    80   -10 to -20%    2  4  6  8 12 16 22 26 
25 Jan    80   -10 to -20%    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