[Ips-dhfpr] IPS Daily HF Prop Report - 17 March 12 issued 2352 UT on 17 Mar 2012
rwc at ips.gov.au
Sun Mar 18 10:52:46 EST 2012
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 MARCH)
Date T index Conditions
17 Mar 48 Fair
Flares Max Fadeout Freq. Sectors
M1.4 2039UT possible lower East Pacific/
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 20% during local day.
Depressed by 25% during local night.
Southern Australian and New Zealand Region:
Depressed by 25% during local day.
Depressed by 35% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Poor ionospheric support over the UT day.
PCA Event : No event.
Predicted Monthly T index for March: 81
2. FORECAST (18 MARCH - 20 MARCH)
Date T index Conditions MUFs
18 Mar 50 Fair About 30% below predicted monthly
19 Mar 50 Fair About 20% below predicted monthly
20 Mar 60 Normal-fair Near predicted monthly values/depressed
10 to 20%
COMMENT: IPS HF Communications Warning 17 was issued on 17 March
and is current for 18 Mar only. Ongoing disturbances S Aus/NZ/Antarctic
regions. Variable depressions observed Equatorial/N Aus regions.
Spread F was observed at times in S Aus / NZ region. Expect degraded
ionospheric conditions next three days due to further anticipated
geomagnetic disturbances. S Aus / NZ / Antarctic regions most
likely to be affected.
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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