[Ips-dhfpr] IPS Daily HF Prop Report - 15 February 02
rwc at ips.gov.au
Sat Feb 16 10:13:31 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z FEBRUARY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 FEBRUARY)
Date T index Conditions
15 Feb 176 Normal
Equatorial PNG Region:
Mostly near predicted monthly values,
Enhanced by 30% after local dawn.
Northern Australian Region:
Enhanced by 15 local day.
Enhanced 65% local night.
Southern Australian and New Zealand Region:
Enhanced by 15-40%.
Antarctic Region (Casey/Scott Base):
Enhanced by 30% over the UT day.
Predicted Monthly T index for February: 114
2. FORECAST (16 FEBRUARY - 18 FEBRUARY)
Date T index Conditions MUFs
16 Feb 160 Normal-Fair initially enhanced 10-25% then
becoming depressed 10-15%.
17 Feb 110 Normal-Fair depressed 10 to 20%/near predicted
18 Feb 120 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 5 was issued on 14 February
and is current for interval 15-17 February. Anticipated geomagnetic
activity has yet to eventuate, so depression forecast now slipped
back by a day. Good HF conditions expected for first half of
UT day today. Mild degradation expected 16 Feb southern region
Aus/NZ. Equatorial region/Northern Aus. expected to remain near
to 15% above normal.
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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