[Ips-dhfpr] IPS Daily HF Prop Report - 24 January 12 issued 2331 UT on 24 Jan 2012
rwc at ips.gov.au
Wed Jan 25 10:31:12 EST 2012
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 24/2330Z JANUARY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 JANUARY)
Date T index Conditions
24 Jan 90 Normal-fair
Cocos Island Region:
No data available.
Niue Island Region:
Enhanced by 15% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values until 15UT,
Depressed by 20% afterwards.
Southern Australian and New Zealand Region:
Enhanced by 15% during until 15UT,
Near predicted monthly values afterwards.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Proton event in progress, increased absorption observed.
PCA Event : 10Mev Proton/PCA Event Began 23 01 2012 1645UT and is in progress
Predicted Monthly T index for January: 76
2. FORECAST (25 JANUARY - 27 JANUARY)
Date T index Conditions MUFs
25 Jan 50 Normal 15 to 30% below predicted monthly
26 Jan 60 Normal 10 to 20% below predicted monthly
27 Jan 60 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 2 was issued on 24 January
and is current for 24-26 Jan MUFs were generally around predicted
monthly values until around 15UT when geomagnetic storm effects
depressed the MUFs by around 20%. Depressions are expected to
continue into the first day of the forecast, improving somewhat
over days 2 and 3.
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary 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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