[Ips-hf-warning] SWS HF COMMS WARNING issued 0120 UT on 11 Sep 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS HF RADIO COMMUNICATIONS WARNING 18/09
ISSUED AT 0120UT/11 SEPTEMBER 2018
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Minor to mild MUF depressions and degradations in HF conditions 
may be observed on 11 and 12 September due to expected rise in 
geomagnetic activity on these days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 11-12 SEPTEMBER 2018
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS
       T-index      MUFs        2  4  6  8 12 16 22 26
_____________________________________________________________
11 Sep:   -8   normal/-30%      2  4  6  6  8 12 16 16
12 Sep:   -8   normal/-30%      2  4  6  6  8 12 16 16

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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