[Ips-hf-warning] SWS HF SWF COMMS WARNING issued 2141 UT on 28 Oct 2021

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 21/27
ISSUED AT 2140UT/28 OCTOBER 2021
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Short-wave fadeouts are probable due to possible M- and X-class 
flares.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 29-31 OCTOBER 2021
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
29 Oct:  Moderate to high     Probable
30 Oct:  Moderate to high     Probable
31 Oct:  Moderate to high     Probable

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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