[Ips-hf-warning] SWS HF COMMS WARNING issued 2346 UT on 25 Mar 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS PRELIMINARY HF RADIO COMMUNICATIONS WARNING 17/21
ISSUED AT 2346UT/25 MARCH 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Due to expected rise in geomagnetic activity levels from late 
hours on 27 March, minor to mild MUF depressions and degradations 
in HF conditions are possible on 27 March. Minor to moderate 
MUF depressions and degradations in HF conditions are likely 
on 28 March.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 27-28 MARCH 2017
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
A MORE DETAILED HF WARNING WILL FOLLOW IF DEPRESSIONS EVENTUATE.
_____________________________________________________________

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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