[Ips-dhfpr] IPS Daily HF Prop Report - 19 June 03
rwc at ips.gov.au
Fri Jun 20 08:44:00 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 19/2330Z JUNE 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 JUNE)
Date T index Conditions
19 Jun 62 Fair-normal
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 55% during local night.
Enhanced by 30% after local dawn.
Northern Australian Region:
Enhanced by 20% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Depressed by 15-20% local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base):
15% depressed. Some absorption observed early in UT day.
PCA Event : Began at 2050UT 18/06, Ended at 1540UT 19/06
Predicted Monthly T index for June: 68
2. FORECAST (20 JUNE - 22 JUNE)
Date T index Conditions MUFs
20 Jun 60 Normal-fair depressed 10 to 15%/near predicted
21 Jun 60 Fair-normal depressed 10 to 15%/near predicted
22 Jun 60 Fair-normal depressed 10 to 20%/near predicted
COMMENT: IPS HF Communications Warning 48 was issued on 18 June
and is current for interval 19-21 June (SWFs) . Southern Aus/NZ
MUFs depressed yesterday. Milder depressions are now expected
over coming days, restricted to southern Aus/NZ region. Northern
Aus region MUFs expected to be near to 15% above predicted monthly
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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