[Ips-dhfpr] IPS Daily HF Prop Report - 15 April 02
rwc at ips.gov.au
Tue Apr 16 09:31:07 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 15/2330Z APRIL 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (15 APRIL)
Date T index Conditions
15 Apr 156 Normal-fair
Flares Max Fadeout Freq. Sectors
M3/SF 0014UT confirmed lower West Pacific
M1/SF 0355UT confirmed lower E. Asia/Aust.
M1/-- 2326UT possible lower West Pacfic
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Northern Australian Region:
Enhanced by 15-40%.
Southern Australian and New Zealand Region:
Enhanced by 20-30%.
Antarctic Region (Casey/Scott Base):
Enhanced by 25% over the UT day.
Predicted Monthly T index for April: 113
2. FORECAST (16 APRIL - 18 APRIL)
Date T index Conditions MUFs
16 Apr 160 Normal 10 to 20% above predicted monthly
17 Apr 140 Fair-Poor initially enhanced 10-15%/depressed
18 Apr 100 Fair depressed 10-15% to near normal.
COMMENT: IPS HF Communications Warning 13 was issued on 14 April
and is current for interval 14-16 April (SWFs) . Mild degradation
observed local night hours. Mild depression may be experienced
southern Aus/NZ region. Shortwave fadeouts can be expected again
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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