[Ips-hf-warning] IPS HF COMMS WARNING issued 2319 UT on 14 Jul 2015

rwc rwc at ips.gov.au
Wed Jul 15 09:19:07 EST 2015


SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 15/23
ISSUED AT 2318UT/14 JULY 2015
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

Low levels of ionising solar flux have reduced MUFs below monthly 
predicted values.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 15-17 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
_____________________________________________________________
15 Jul:   65   normal/-15%      2  4  6  8 12 12 16 22
16 Jul:   60   normal/-15%      2  4  6  8 12 12 16 22
17 Jul:   60   normal/-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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