[Ips-dhfpr] IPS Daily HF Prop Report - 17 January 04
rwc at ips.gov.au
Sun Jan 18 11:04:44 EST 2004
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z JANUARY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 JANUARY)
Date T index Conditions
17 Jan 54 Normal-fair
Flares Max Fadeout Freq. Sectors
M5/-- 1750UT possible lower South American/
Equatorial PNG Region:
Enhanced by 15% during local day,
Enhanced by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Depressed by 20% after local dawn.
Southern Australian and New Zealand Region:
Near predicted monthly values to depressed
5-15% at times.
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 (18 JANUARY - 20 JANUARY)
Date T index Conditions MUFs
18 Jan 45 Normal-Fair depressed 5 to 15%/near predicted
19 Jan 55 Normal Near predicted monthly values
20 Jan 35 Normal-Fair near predicted monthly values/depressed
10 to 20%
COMMENT: IPS HF Communications Warning 5 was issued on 16 January
and is current for interval 16-18 January. Mild depressions were
observed at times during 17 January. Mostly normal conditions
with slight depressions at times are expected for 18-19 January
with mild depressions again possible for 20 January.
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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