[Ips-dhfpr] IPS Daily HF Prop Report - 18 March 12 issued 2357 UT on 18 Mar 2012
rwc
rwc at ips.gov.au
Mon Mar 19 10:57:42 EST 2012
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 MARCH)
Date T index Conditions
18 Mar 55 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 20% during local night.
Southern Australian and New Zealand Region:
Depressed by 15% during local day.
Depressed by 15% 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 (19 MARCH - 21 MARCH)
Date T index Conditions MUFs
19 Mar 65 Normal-fair About 20% below predicted monthly
values
20 Mar 70 Normal-fair Near predicted monthly values/depressed
10 to 20%
21 Mar 75 Normal-fair Near predicted monthly values
COMMENT: Night time depressed MUF periods observed in Equatorial/N
Aus regions. Generally weak ionospheric support Antarctic region.
Sporadic E and Spread F conditions were observed at times during
18 March wich may have degraded HF conditions. Conditions are
improving and MUFs should be depressed by at most 20% for the
next day.
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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.
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