[Ips-hf-warning] IPS HF COMMS WARNING

[rwc]

SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 08/09
ISSUED AT 10/0626Z MARCH 2008
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

DEPRESSED CONDITIONS OF 25-30% OBSERVED ON IPS OBLIQUE
IONOGRAMS.


DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 10-11 MARCH 2008
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
_____________________________________________________________
10 Mar   -25     -30%         2  4  6  8  8 12 16 16 
11 Mar   -15     -15%         2  4  6  8 12 12 16 22 

COMMENT: Daily T index revised downward from -5 to -25 for 
	 rest of today only.

IPS Radio and Space Services        email: asfc at ips.gov.au
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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