[Ips-hf-warning] IPS HF COMMS WARNING issued 2355 UT on 15 Oct 2015

rwc rwc at ips.gov.au
Fri Oct 16 10:55:55 EST 2015


SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 15/64
ISSUED AT 2354UT/15 OCTOBER 2015
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Due to continued rise in geomagnetic activity levels and low 
levels of ionising radiation, minor to significant degradation 
in HF conditions and depressions in MUFs may be observed on 16 
October. Low levels of ionising radiation may result in minor 
to moderate degradations in HF conditions and depressions in 
MUFs on 17 and 18 October too, even after expected decline in 
geomagnetic activity levels on through these days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 16-18 OCTOBER 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
_____________________________________________________________
16 Oct:    6          -40%      2  4  4  4  8  8 12 12
17 Oct:   10          -30%      2  4  6  6  8 12 16 16
18 Oct:   12          -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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