[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 02/17
ISSUED AT 21/0204Z APRIL 2002
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS OBSERVED AND FURTHER EXPECTED
ON 21 APRIL 2002
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
FOLLOW ON HF WARNING FROM HF WARNING: ??
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SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
21 Apr:  Low to moderate      Possible             

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
-------------------------------------------------------------
21 Apr   130   normal/-20%    2  4  6  8  8 12 16 16 

IPS Radio and Space Services      | email: asfc at ips.gov.au
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