[Ips-dhfpr] IPS Daily HF Prop Report - 17 July 04
rwc at ips.gov.au
Sun Jul 18 09:56:20 EST 2004
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z JULY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 JULY)
Date T index Conditions
17 Jul 75 Normal-fair
Flares Max Fadeout Freq. Sectors
X1/1F 0757UT probable all Mid East/Indian
M2/1N 1651UT possible lower South American/
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Enhanced by 40% after local dawn.
Northern Australian Region:
Enhanced by 20% during local day,
Enhanced by 20% during local night.
Enhanced by 25% after local dawn.
Southern Australian and New Zealand Region:
Enhanced by 30% during local day,
Enhanced by 30% during local night.
Antarctic Region (Casey/Scott Base):
Enhanced by 30% with periods of strong degradations.
PCA Event : No event.
Predicted Monthly T index for July: 39
2. FORECAST (18 JULY - 20 JULY)
Date T index Conditions MUFs
18 Jul 58 Normal near predicted monthly values/enhanced
5 to 10%.
19 Jul 60 Normal near predicted monthly values/enhanced
5 to 15%.
20 Jul 64 Normal near predicted monthly values/enhanced
5 to 15%.
COMMENT: IPS HF Communications Warning 28 was issued on 16 July
and is current for interval 17-19 July (SWFs) . HF conditions
are expected to remain mostly normal in Aus/NZ regions during
the next three days with some possibility of isolated minor
degradation periods in the southern regions.
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.
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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