[Ips-dhfpr] IPS Daily HF Prop Report - 11 December 03
rwc at ips.gov.au
Fri Dec 12 10:47:52 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z DECEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 DECEMBER)
Date T index Conditions
11 Dec 2 Fair
15 to 30% below predicted monthly values
PCA Event : No event.
Predicted Monthly T index for December: 50
2. FORECAST (12 DECEMBER - 14 DECEMBER)
Date T index Conditions MUFs
12 Dec 20 Fair depressed 10 to 20%/near predicted
13 Dec 25 Fair depressed 10 to 20%/near predicted
14 Dec 35 Normal-Fair depressed 10 to 20%/near predicted
COMMENT: IPS HF Communications Warning 96 was issued on 11 December
and is current for interval 12-13 December. Post-dawn depressions
observed yesterday continued throughout the UT day at most locations.
Depressions observed again today around local dawn in mid to
southern Aus region, but showing signs of recovery at report
issue. Coronal hole wind stream effects are likely to persist
today, then gradually ease over the following few days. High
latitudes can expect extended periods of disturbance for the
next few days.
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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