[Ips-dhfpr] IPS Daily HF Prop Report - 16 April 06
rwc
rwc at ips.gov.au
Mon Apr 17 09:33:54 EST 2006
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 16/2330Z APRIL 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (16 APRIL)
Date T index Conditions
16 Apr 4 Fair-normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Mostly near predicted monthly values.
Northern Australian Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Depressed by 25% over the UT day.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Extended periods of disturbance.
PCA Event : No event.
Predicted Monthly T index for April: 16
2. FORECAST (17 APRIL - 19 APRIL)
Date T index Conditions MUFs
17 Apr 5 Fair-normal depressed 10 to 20%/near predicted
monthly values
18 Apr 5 Fair-normal depressed 10 to 20%/near predicted
monthly values
19 Apr 10 Normal Near predicted monthly values
COMMENT: Variable regional HF conditions observed again under
the influence of a high speed coronal hole wind stream. S Aus/NZ
MUFs generally depressed, especially around local dawn. Sporadic
E conditions observed some stations around local dawn. S Ocean/Antarctic
conditions poor with extended periods of disturbance. The disturbance
is due to a coronal hole wind stream which is expected to decline
days one and two. Expect continuing variable HF conditions next
1-2 days.
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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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