[Ips-dhfpr] IPS Daily HF Prop Report - 16 August 01
rwc at ips.gov.au
Fri Aug 17 09:26:58 EST 2001
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z AUGUST 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (16 AUGUST)
Date T index Conditions
16 Aug 120 Normal-fair
Equatorial PNG Region:
Enhanced by 25% during local day,
Enhanced by 20% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Enhanced by 15% during local day,
Enhanced by 35% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for August: 109
2. FORECAST (17 AUGUST - 19 AUGUST)
Date T index Conditions MUFs
17 Aug 95 Normal-fair near predicted monthly values/depressed
10 to 15%
18 Aug 90 Fair-normal depressed 10 to 20%/near predicted
19 Aug 105 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 39 was issued on 15 August
and is current for interval 17-18 August. Mild depression expected
late 17, early 18 Aug due to anticipated CME (eripting filament
14 Aug) related geomagnetic activity. Depression expected to
be mostly limited to southern region Aus/NZ. Degraded conditions
expected local night hours southern region during interval.
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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