[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 02/69
ISSUED AT 19/0101Z NOVEMBER 2002
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 19-20 NOVEMBER 2002 CENTRAL AND SOUTHERN AUSTRALIAN AND 
ANTARCTIC REGIONS ONLY
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND

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SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
19 Nov:  low to moderate      Possible             
20 Nov:  low to moderate      Possible             

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
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19 Nov   -7    -30%           2  4  6  6  8 12 16 16 
20 Nov   25    -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
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060