[Ips-dhfpr] IPS Daily HF Prop Report - 19 October 12 issued 2334 UT on 19 Oct 2012
rwc
rwc at ips.gov.au
Sat Oct 20 10:34:13 EST 2012
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 OCTOBER 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (19 OCTOBER)
Date T index Conditions
19 Oct 102 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 30% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Enhanced by 35% during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Darwin enhanced to 50% 11-15UT.
Townsville enhanced to 30% 13-15UT.
Learmonth enhanced to 30% 05-07UT.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values.
Enhanced by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for October: 81
2. FORECAST (20 OCTOBER - 22 OCTOBER)
Date T index Conditions MUFs
20 Oct 100 Normal 0 to 15% above predicted monthly
values
21 Oct 100 Normal 0 to 15% above predicted monthly
values
22 Oct 100 Normal 0 to 15% above predicted monthly
values
COMMENT: Equatorial/N Aus region MUF's enhanced due to high EUV
flux associated with a number of active regions on the visible
solar disk. Although solar flare activity has been low, there
remains the possibility of isolated M-class flares with associated
HF fadeouts. Anticipated mild geomagnetic activity days two and
three may produce low-latitude MUF variability and high latitude
disturbances.
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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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