[Ips-dhfpr] IPS Daily HF Prop Report - 11 March 12 issued 2350 UT on 11 Mar 2012
rwc at ips.gov.au
Mon Mar 12 10:50:08 EST 2012
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 MARCH)
Date T index Conditions
11 Mar 77 Normal
Cocos Island Region:
Enhanced by 40-60% 08-22UT.
Niue Island Region:
Enhanced by 25% during local day.
Depressed by 20% during local night
and after local dawn.
Northern Australian Region:
Darwin enhanced 40-60% 06-18UT.
Townsville depressed 20% 09-15UT.
Learmonth depressed 20-40% 01-06UT, 13-20UT,
enhanced 30% 09-10UT.
Other stations depressed by 15% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Depressed by 20% after local dawn.
Periods of strong sporadic-E around local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Ionospheric support intermittent.
Proton event in progress, increased absorption
to -2dB observed.
PCA Event : 10Mev Proton/PCA Event Began 07 03 2012 0530UT and is in progress
Predicted Monthly T index for March: 81
2. FORECAST (12 MARCH - 14 MARCH)
Date T index Conditions MUFs
12 Mar 70 Normal Near predicted monthly values
13 Mar 50 Fair Near predicted monthly values.
Depressions to 20% possible
14 Mar 60 Normal Near predicted monthly values.
Depressions to 20% possible
COMMENT: Highly variable conditions observed Equatorial/N Aus
regions with strong enhancements at times. Ongoing disturbances
S Aus/NZ/Antarctic regions. Expect further ionospheric disturbance
days one to three affecting higher latitudes. SWF's possible
local day mainly Equatorial/Aus regions. Disturbances possibly
extending at times to S Aus region.
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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