[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 02/04
ISSUED AT 06/0015Z FEBRUARY 2002
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED FROM
06-07 FEBRUARY 2002

Slightly degraded HF conditions are expected at times for
6-7 February due to mildly elevated geomagnetic activity
produced by a coronal hole solar wind stream. Depressions
of 10-20% in MUFs are possible at times.

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
-------------------------------------------------------------
SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
06 Feb:  low to moderate      Possible             
07 Feb:  low to moderate      Possible             

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
-------------------------------------------------------------
6 Feb  115    -15%/normal    2  4  6  8 12 12 16 22 
7 Feb  125    -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