[Ips-dhfpr] IPS Daily HF Prop Report - 26 July 04
rwc at ips.gov.au
Tue Jul 27 09:57:38 EST 2004
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 26/2330Z JULY 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (26 JULY)
Date T index Conditions
26 Jul 6 Fair-poor
Flares Max Fadeout Freq. Sectors
M1/SF 0552UT possible lower E. Asia/Aust.
M1/2N 1730UT possible lower South American/
Equatorial PNG Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Southern Australian and New Zealand Region:
Depressed by 35% during local day,
Depressed by 35% during local night.
Antarctic Region (Casey/Scott Base):
Proton event in progress, increased absorption observed.
PCA Event : 10Mev Proton/PCA Event Began 25 07 2004 1920UT and is in progress
Predicted Monthly T index for July: 39
2. FORECAST (27 JULY - 29 JULY)
Date T index Conditions MUFs
27 Jul 0 Poor depressed 10 to 20%/near predicted
28 Jul 10 Fair depressed 10 to 20%/near predicted
29 Jul 40 Normal-Fair Near predicted monthly values
COMMENT: IPS HF Communications Warning 32 was issued on 26 July
and is current for interval 26-28 July (SWFs) . Southern region
MUFs depressed after local dawn this morning, following continued
geomangetic storm activity. Minor degradation periods in HF conditions
are expected for northern Australia regions over the next 24
hours. Depressed conditions for southern regions of AUS/NZ are
expected over the next 2 days.
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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