[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS PRELIMINARY HF RADIO COMMUNICATIONS WARNING 04/21
ISSUED AT 07/0538Z APRIL 2004
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Minor to moderate degradations HF conditions and depressions 
in MUFs may be observed, particularly at mid and high latitudes, 
on 08 April due to an anticipated rise in geomagntic activity 
on this day. 

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 08 APRIL 2004
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
A MORE DETAILED HF WARNING WILL FOLLOW IF DEPRESSIONS EVENTUATE.
_____________________________________________________________



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