[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 02/62
ISSUED AT 27/0048Z OCTOBER 2002
BY THE AUSTRALIAN SPACE FORECAST CENTRE.


Depressions around 30% are currently being observed
in Southern Australian/NZ regions. This seems to have 
been caused by a rise in the geomagnetic activity due
to coronal hole and a sustained period of IMF being
southwards. MUF depressions (approx 20%) may continue 
to be observed in Southern Australian/NZ regions 
during the UT day 27 October.


DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 27 OCTOBER 2002
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
-------------------------------------------------------------
SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
27 Oct:  Low to moderate      Possible             

HF COMMUNICATIONS FORECAST (SOUTHERN AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
-------------------------------------------------------------
27 Oct   65    -20%/normal    2  4  6  8  8 12 16 16 



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