[Ips-hf-warning] IPS HF SWF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 01/42
ISSUED AT 24/2345Z AUGUST 2001
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

A SOLAR REGION IN THE SOUTH-EAST QUADRANT OF THE SOLAR
DISK HAS POTENETIAL FOR SIGNIFICANT SOLAR ACTIVITY,
BUT HAS ONLY PRODUCED LOW LEVEL M CLASS ACTIVITY SO FAR.

HF COMMS FADEOUTS EXPECTED DURING DAYLIGHT HOURS
FROM 25-28 AUGUST 2001.

IF COMMS DIFFICULTIES EXPERIENCED DUE TO SOLAR FLARE ACTIVITY
TRY A HIGHER FREQUENCY BAND DURING FLARE.
-------------------------------------------------------------
SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS             

25-28 Aug:  moderate             Probable             

Chance of high solar activity during interval.



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