[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 03/31
ISSUED AT 30/0013Z APRIL 2003
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 30 APRIL 2003 TO 02 MAY 2003

Minor to moderate depressions may be observed, 
especially in the Southern Aus/NZ and high latitude 
regions due to possible enhancement in the geomagnetic 
activity. 

IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             
30 Apr:  low to moderate      Possible             
01 May:  low to moderate      Possible             
02 May:  low to moderate      Possible             

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS  
       T-index  MUFs          2  4  6  8 12 16 22 26
_____________________________________________________________
30 Apr   87   normal          2  4  6  8 12 16 22 26 
1 May   80 normal/-5 to -10%  2  4  6  8 12 16 22 26 
2 May   80 normal/-5 to -10%  2  4  6  8 12 16 22 26 


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