[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 01/05
ISSUED AT 13/2226Z FEBRUARY 2001
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

SOUTHERN AUS/NZ MUFS BECOMING DEPRESSED AFTER LOCAL
DAWN. FURTHER DEPRESSIONS AFTER LOCAL DAWN ON 14/15 FEB
ARE POSSIBLE. MUFS EXPECTED TO RECOVER AS DAY PROGRESSES.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 14-15 FEBRUARY 2001 MID TO HIG LATITUDES
ONLY (SOUTHERN AUS/NZ REGION).

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
-------------------------------------------------------------
SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
14-15 Feb:  low                  None expected        

HF COMMUNICATIONS FORECAST (SOUTHERN AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
-------------------------------------------------------------
14 Feb   90    -15%/normal    2  4  6  8 12 12 16 22 
15 Feb   90    -15%/normal    2  4  6  8 12 12 16 22 

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