[Ips-dhfpr] IPS Daily HF Prop Report - 16 July 14 issued 2330 UT on 16 Jul 2014
Regional Warning Centre
rwc at ips.gov.au
Thu Jul 17 09:30:35 EST 2014
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 JULY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (16 JULY)
Date T index Conditions
16 Jul 71 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 45% during local night.
Depressed by 25% after local dawn.
Niue Island Region:
Mostly near predicted monthly values.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 15% during local day.
Depressed by 35% during local night.
Depressed by 20% after local dawn.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jun 65
Jul 92
Aug 90
2. FORECAST (17 JULY - 19 JULY)
Date T index Conditions MUFs
17 Jul 75 Normal Near predicted monthly values/depressed
10 to 20%
18 Jul 75 Normal Near predicted monthly values/depressed
10 to 20%
19 Jul 70 Normal Depressed 15%/near predicted
monthly values
COMMENT: MUFs were generally depressed throughout the northern
Australasian region and low latitudes during 15 July due to the
lack of ionising EUV and X-rays from the low spot count on the
solar disc. This is likely to continue for the next 2-3 days.
There was spread F observed at near-equatorial latitudes,suggesting
activity in the equatorial anomaly/fountain, probably due to
thermospheric winds, as geomagnetic activity has been Quiet.
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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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