[Ips-dhfpr] IPS Daily HF Prop Report - 27 December 01
rwc
rwc at ips.gov.au
Fri Dec 28 10:04:14 EST 2001
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z DECEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 DECEMBER)
Date T index Conditions
27 Dec 155 Normal
Flares Max Fadeout Freq. Sectors
M2/2N 1648UT possible lower South American/
Atlantic
MUFs:
Equatorial PNG Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Enhanced by 20% during local day,
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base):
Proton event in progress, increased absorption observed.
Predicted Monthly T index for December: 112
2. FORECAST (28 DECEMBER - 30 DECEMBER)
Date T index Conditions MUFs
28 Dec 100 Fair 10 to 20% below predicted monthly
values
29 Dec 140 Normal-Fair near predicted monthly values
30 Dec 140 Normal near predicted monthly values
COMMENT: IPS HF Communications Warning 85 was issued on 27 December
and is current for interval 28 December only. The ionosphere
is expected to be depressed from late 28 Dec..
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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