[Ips-hf-warning] SWS HF COMMS WARNING issued 0304 UT on 19 May 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS PRELIMINARY HF RADIO COMMUNICATIONS WARNING 17/28
ISSUED AT 0304UT/19 MAY 2017
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Minor to mild MUF depressions and degradation in HF conditions 
during the second half of 19 May, and minor to moderate MUF depressions 
and degradations in HF conditions may be expected on 20 and 21 
May due to an expected rise in geomagnetic activity during this 
period.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 19-21 MAY 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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of SWS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
To unsubscribe from an IPS mail list either send an email to 
"MAIL_LIST"-leave at ips.gov.au or go to
http://www.sws.bom.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://www.sws.bom.gov.au/mailman/listinfo/ips-training.
General information is available from
http://www.sws.bom.gov.au/mailman/listinfo/ips-info.