[Ips-hf-warning] IPS HF COMMS WARNING

[Regional Warning Centre]

SUBJ: IPS PRELIMINARY HF RADIO COMMUNICATIONS WARNING 00/78
ISSUED AT 23/2337Z NOVEMBER 2000
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEPRESSED MUFS ARE EXPECTED AFTER THE ANTICIPATED
ARRIVAL OF A SHOCK ASSOCIATED WITH A CME AND C7
FLARE OBSERVED ON 23 NOV AFTER 1930 UT.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 26-28 NOVEMBER 2000
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
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