[Ips-dhfpr] IPS Daily HF Prop Report - 13 January 04
rwc at ips.gov.au
Wed Jan 14 09:47:00 EST 2004
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 13/2330Z JANUARY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 JANUARY)
Date T index Conditions
13 Jan 42 Normal
Equatorial PNG Region:
Mostly near predicted monthly values,
Northern Australian Region:
Near predicted monthly values local day.
Depressed 15% local night hours.
Southern Australian and New Zealand Region:
15% depressed to near predicted monthly values,
Antarctic Region (Casey/Scott Base):
15% depressed to near predicted monthly values
over the UT day.
PCA Event : No event.
Predicted Monthly T index for January: 56
2. FORECAST (14 JANUARY - 16 JANUARY)
Date T index Conditions MUFs
14 Jan 55 Normal near predicted monthly values
15 Jan 55 Normal Near predicted monthly values
16 Jan 35 Normal-Fair near predicted monthly values/depressed
10 to 15%
COMMENT: IPS HF Communications Warning 4 was issued on 13 January
and is current for interval 17-18 January. Mildly depressed (10-15%)
conditions persisted longer than expected yesterday. Generally
good HF conditions expected today. Some southern Aus/NZ region
sites may again experience brief post dawn depressions of 10-15%.
Isolated fadeouts possible. MUFs are expected to remain mostly
near normal until late 16 Jan, afterwhich becoming midly to moderately
depressed (southern region Aus/NZ only) due to to anticipated
coronal hole wind stream induced activity.
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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