[Ips-hf-warning] IPS HF COMMS WARNING
rwc at ips.gov.au
Thu Dec 20 10:41:20 EST 2007
SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 07/43
ISSUED AT 19/2337Z DECEMBER 2007
BY THE AUSTRALIAN SPACE FORECAST CENTRE.
DEGRADED HF PROPAGATION CONDITIONS EXPECTED FOR 20 DECEMBER 2007
Depressions of up to 30% were observed at times during 19 December.
Depressions of 15-30% are expected again for 20 December.
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
T-index MUFs 2 4 6 8 12 16 22 26
20 Dec -40 -20%/normal 2 4 6 8 8 12 16 16
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