[Ips-hf-warning] IPS HF COMMS WARNING issued 2323 UT on 20 Jul 2015

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 15/25
ISSUED AT 2321UT/20 JULY 2015
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

This is a continuation of HF Warning 15/24. Low levels of ionising 
radiation have reduced MUF's below predicted monthly values.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 21-23 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
_____________________________________________________________
21 Jul:   60          -15%      2  4  6  8 12 12 16 22
22 Jul:   60          -15%      2  4  6  8 12 12 16 22
23 Jul:   60          -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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