[Ips-dhfpr] IPS Daily HF Prop Report - 21 January 05
rwc at ips.gov.au
Sat Jan 22 10:12:32 EST 2005
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z JANUARY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 JANUARY)
Date T index Conditions
21 Jan 55 Normal-poor
Flares Max Fadeout Freq. Sectors
M1/-- 1016UT possible lower European
M1/-- 1355UT possible lower European
Equatorial PNG Region:
No data available during local day,
Enhanced by 50% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 30% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Proton event in progress, increased absorption observed.
PCA Event : 10Mev Proton/PCA Event Began 16 01 2005 0220UT and is in progress
Predicted Monthly T index for January: 32
2. FORECAST (22 JANUARY - 24 JANUARY)
Date T index Conditions MUFs
22 Jan 10 Fair depressed 15 to 30%/near predicted
23 Jan 20 Normal Depressed 15% after local dawn,
24 Jan 35 Normal-Fair Near predicted monthly values
COMMENT: Depressed MUFs observed after local dawn this morning
following overnightgeomagetic activity. Southern region MUFs
expected to be depressed today.
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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