[Ips-dhfpr] IPS Daily HF Prop Report - 16 March 03
rwc
rwc at ips.gov.au
Mon Mar 17 10:24:47 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z MARCH 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (16 MARCH)
Date T index Conditions
16 Mar 79 Fair-normal
Flares: none.
MUFs:
Equatorial PNG Region:
Enhanced by 20% during local day,
Enhanced by 20% during local night.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for March: 82
2. FORECAST (17 MARCH - 19 MARCH)
Date T index Conditions MUFs
17 Mar 70 Fair-Normal depressed 10 to 15%/near predicted
monthly values
18 Mar 90 Normal near predicted monthly values
19 Mar 80 Normal-Fair near predicted monthly values/depressed
10 to 15%
COMMENT: IPS HF Communications Warning 20 was issued on 16 March
and is current for interval 17 March only. Coronal hole induced
geomagnetic activity again observed overnight. Mild depressions
observed after local dawn for southern region Australia. Northern
region MUFs are not expected to be affected, and communicators
in northern Aus region should use a T index of 120. A further
degradation in conditions is expected 19-20 Mar.
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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