[Ips-dhfpr] IPS Daily HF Prop Report - 03 January 08
rwc
rwc at ips.gov.au
Fri Jan 4 10:33:12 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 03/2330Z JANUARY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (03 JANUARY)
Date T index Conditions
03 Jan -11 Fair-normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
No data available during local day,
No data available during local night.
Northern Australian Region:
Depressed by 25% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for January: 12
2. FORECAST (04 JANUARY - 06 JANUARY)
Date T index Conditions MUFs
04 Jan -10 Fair-normal depressed 10 to 20%/near predicted
monthly values
05 Jan -10 Fair-normal depressed 10 to 20%/near predicted
monthly values
06 Jan -5 Fair-normal depressed 5 to 10%/near predicted
monthly values
COMMENT: IPS HF Communications Warning 1 was issued on 2 January
and is current for interval 2-4 January. Local daytime MUF depressions
of 20% observed over Northern AUS and Southern AUS/NZ regions
during the last 24 hours, and mostly normal HF conditions for
local evening/nights. Antarctic regions experienced mostly normal
HF conditions. Continued sporadic E observed for Southern AUS/NZ
regions. This pattern of ionospheric behaviour is expected to
continue for the next few days while solar and geomagnetic activity
remain at very low levels. Chance of disturbed ionospheric conditions
for polar regions due to transient effects from recent CME's.
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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->
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
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