[Ips-dhfpr] IPS Daily HF Prop Report - 21 January 04
rwc at ips.gov.au
Thu Jan 22 10:44:48 EST 2004
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z JANUARY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 JANUARY)
Date T index Conditions
21 Jan 70 Normal
Equatorial PNG Region:
Mostly near predicted monthly values,
Enhanced by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 25% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for January: 56
2. FORECAST (22 JANUARY - 24 JANUARY)
Date T index Conditions MUFs
22 Jan 20 Poor Depressed 20 to 30%/near predicted
23 Jan 30 Fair Depressed 10 to 20%/near predicted
24 Jan 60 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 8 was issued on 21 January
and is current for interval 21-23 January. Significant depressions
are expected at times for 22-23 January as the result of anticipated
significant geomagnetic activity levels. Anticipated geomagnetic
activity is a consequence of recent solar flare activity. Another
shock arrival is possible after Jan 23, but this event is subject
to further analysis.
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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