[Ips-dhfpr] IPS Daily HF Prop Report - 07 May 08
rwc
rwc at ips.gov.au
Thu May 8 09:20:31 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 07/2330Z MAY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (07 MAY)
Date T index Conditions
07 May 8 Normal
Flares: none.
MUFs:
Equatorial PNG/Niue Region:
Enhanced by 15% during local day,
Variable conditions during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 35% over the UT day.
PCA Event : No event.
Predicted Monthly T index for May: 6
2. FORECAST (08 MAY - 10 MAY)
Date T index Conditions MUFs
08 May 6 Normal near predicted monthly values
09 May 6 Normal near predicted monthly values
10 May 6 Normal near predicted monthly values
COMMENT: Short-term variability and spread-F observed Equatorial/N
Aus regions. Regional foF2 and T-index generally close to monthly
average although Equatorial/N Aus values sometimes below average
for an hour or two. Spread-F again observed in the south-east
(HBT, NLK). Normal ionospheric conditions essentially re-established
at mid latitudes. Antarctic ionosphere should be achieiving relative
stability with estended northward IMF Bz and weakening geomagnetic
activity as coronal hole solar wind speed declines.
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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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tel: +61 2 9213 8010 fax: +61 2 9213 8060
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