[Ips-hf-warning] IPS HF COMMS WARNING issued 0018 UT on 19 Aug 2015

rwc rwc at ips.gov.au
Wed Aug 19 10:18:41 EST 2015


SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 15/37
ISSUED AT 0018UT/19 AUGUST 2015
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

These HF depressions for the next three days (19 to 21 August) 
are the after-effects of the geomagnetic storm which commenced 
on 15 August and continuos low levels of ionising solar flux.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 19-21 AUGUST 2015
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
_____________________________________________________________
19 Aug:   35          -30%      2  4  6  6  8 12 16 16
20 Aug:   40          -25%      2  4  6  8  8 12 16 16
21 Aug:   45          -20%      2  4  6  8  8 12 16 16

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

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