[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 04/07
ISSUED AT 19/0525Z JANUARY 2004
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

MODERATELY DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 19-20 JANUARY 2004 AT MID TO HIGH LATITUDES ONLY

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

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

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
19 Jan    20     -14%         2  4  6  8 12 12 16 22 
20 Jan    20     -14%         2  4  6  8 12 12 16 22 


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

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