[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 01/11
ISSUED AT 23/2338Z MARCH 2001
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED FOR 24 MARCH 2001
FOR SOUTHERN AUSTRALIAN/NEW ZEALAND REGIONS.
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND

MUF's have been depressed 15-30% since local dawn for southern
Australian/New Zealand regions and are expected to be depressed
15-30% at times for the remainder of the local day for southern
Australian/New Zealand regions.
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SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
24 Mar:  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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24 Mar   90    -25%/normal    2  4  6  8  8 12 16 16 

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