[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 01/07
ISSUED AT 20/0231Z FEBRUARY 2001
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

SOUTHERN AUSTRALIAN AND NZ MUFS BECOMING DEPRESSED AFTER
LOCAL DAWN. MUFS ARE EXPECTED TO RECOVER AS DAY PROGRESSES.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 20 FEBRUARY 2001
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
-------------------------------------------------------------
SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
20 Feb:  low                  None expected        

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
-------------------------------------------------------------
20 Feb   58    -20%           2  4  6  8  8 12 16 16 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060