[Ips-dhfpr] IPS Daily HF Prop Report - 10 September 05
rwc
rwc at ips.gov.au
Sun Sep 11 09:54:08 EST 2005
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z SEPTEMBER 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 SEPTEMBER)
Date T index Conditions
10 Sep 26 Normal-poor
Flares Max Fadeout Freq. Sectors
M3.8 09/2300UT possible lower West Pacific
M1.1 0354UT possible lower E. Asia/Aust.
M1.2 0604UT possible lower Mid East/Indian
M3.7 0614UT possible lower Mid East/Indian
M1.9 0907UT possible lower Mid East/Indian
X1.2 1643UT probable all South American/
Atlantic
M4.1 1937UT possible lower East Pacific/
North American
X2.1 2211UT probable all West Pacific
MUFs:
Equatorial PNG Region:
Near predicted monthly values during local day,
Depressed by 30% during local night.
Depressed by 60% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base):
Proton event in progress, increased absorption observed.
PCA Event : 10Mev Proton/PCA Event Began 08 09 2005 0235UT and is in progress
Predicted Monthly T index for September: 24
2. FORECAST (11 SEPTEMBER - 13 SEPTEMBER)
Date T index Conditions MUFs
11 Sep 15 Fair near predicted monthly values
/depressed 5 to 20%
12 Sep 20 Fair near predicted monthly values
/depressed 5 to 10%
13 Sep 20 Fair near predicted monthly values
/depressed 5 to 15%
COMMENT: IPS HF Communications Warning 33 was issued on 10 September
and is current for interval 10-11 September. HF conditions may
show minor to moderate degradations in Aus/NZ regions during
the next three days.
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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.
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