[Ips-dhfpr] IPS Daily HF Prop Report - 24 December 01
rwc
rwc at ips.gov.au
Tue Dec 25 09:53:00 EST 2001
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z DECEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 DECEMBER)
Date T index Conditions
24 Dec 137 Normal-fair
Flares Max Fadeout Freq. Sectors
M1/SF 23/2336UT possible lower West Pacific
M1/1N 0032UT possible lower West Pacific
M3/-- 1400UT possible lower South American/
Atlantic
MUFs:
Equatorial PNG Region:
Mostly near predicted monthly values,
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 15% over the UT day.
Predicted Monthly T index for December: 112
2. FORECAST (25 DECEMBER - 27 DECEMBER)
Date T index Conditions MUFs
25 Dec 90 Fair-Normal depressed 10 to 15%/near predicted
monthly values
26 Dec 140 Normal near predicted monthly values/enhanced
10-15%
27 Dec 160 Normal 10 to 15% above predicted monthly
values
COMMENT: IPS HF Communications Warning 83 was issued on 24 December
and is current for interval 25 December only. Depressed MUFs
observed after local dawn this morning following unexpected overnight
geomagnetic activity.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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