[Ips-dhfpr] IPS Daily HF Prop Report - 19 August 03
rwc at ips.gov.au
Wed Aug 20 10:00:41 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z AUGUST 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 AUGUST)
Date T index Conditions
19 Aug 19 Fair-poor
Flares Max Fadeout Freq. Sectors
M2/1N 0759UT possible lower Mid East/Indian
M2/2F 1006UT possible lower European
Equatorial PNG Region:
Enhanced by 15% during local day,
otherwise depressed by 10-20% at times.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Southern Australian and New Zealand Region:
Depressed by 45% during local day,
Depressed by 25% during local night.
Depressed by 25% after local dawn.
Antarctic Region (Casey/Scott Base):
Depressed 10-20% to near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for August: 60
2. FORECAST (20 AUGUST - 22 AUGUST)
Date T index Conditions MUFs
20 Aug 55 Poor-normal depressed 15 to 30%/near predicted
21 Aug 65 Normal-fair near predicted monthly values
22 Aug 75 Normal 5 to 10% above predicted monthly
COMMENT: Significant depressions have been observed for all latitudes
during 19 August as the result of recent geomagnetic activity.
Mild depressions are again possible for 20 August with HF conditions
slowly returning to normal.
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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