[Ips-hf-warning] IPS HF COMMS WARNING issued 0715 UT on 27 Jul 2015

rwc rwc at ips.gov.au
Mon Jul 27 17:15:46 EST 2015


SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 15/27
ISSUED AT 0715UT/27 JULY 2015
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Low levels of ionising solar radiation have reduced MUF's below 
predicted monthly values.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 27-29 JULY 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
_____________________________________________________________
27 Jul:   45          -15%      2  4  6  8 12 12 16 22
28 Jul:   45          -15%      2  4  6  8 12 12 16 22
29 Jul:   45          -15%      2  4  6  8 12 12 16 22

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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