[Ips-hf-warning] IPS HF COMMS WARNING
rwc
rwc at ips.gov.au
Fri Feb 13 15:40:54 EST 2004
SUBJ: IPS HF RADIO COMMUNICATIONS WARNING 04/12
ISSUED AT 13/0430Z FEBRUARY 2004
BY THE AUSTRALIAN SPACE FORECAST CENTRE.
Minor to moderate degradations in HF conditions and
depressions in MUFs may be observed, especially in the
Southern Aus/NZ regions on 14 and 15 February due to
an anticipated continued rise in geomagnetic activity
during this period.
DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 14-15 FEBRUARY 2004
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
FOLLOW ON HF WARNING FROM HF WARNING: 11
_____________________________________________________________
SOLAR ACTIVITY FORECAST HF COMMS FADEOUTS
14 Feb: Very Low None expected
15 Feb: Very Low None expected
HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
FREQUENCY BANDS
T-index MUFs 2 4 6 8 12 16 22 26
_____________________________________________________________
14 Feb 30 -11% 2 4 6 8 12 16 16 22
15 Feb 40 -5% 2 4 6 8 12 16 16 22
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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