[Ips-dhfpr] IPS Daily HF Prop Report - 10 April 10
rwc at ips.gov.au
Sun Apr 11 09:26:43 EST 2010
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z APRIL 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 APRIL)
Date T index Conditions
10 Apr 22 Normal
Cocos Island Region:
Depressed by 15% during local day,
Depressed by 25% during local night.
Niue Island Region:
Enhanced by 20% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for April: 20
2. FORECAST (11 APRIL - 13 APRIL)
Date T index Conditions MUFs
11 Apr 20 Normal Near predicted monthly values
12 Apr 10 Normal depressed 10 to 30%/near predicted
13 Apr 10 Normal depressed 10 to 20%/near predicted
COMMENT: IPS HF Communications Warning 7 was issued on 9 April
and is current for interval 12 April only. Isolated cases of
sporadic E observed in the Australian and Antarctic regions.
Expect MUFs to be normal predicticted monthly values in the Australian
region today. On 12 April expect mild depressions at mid to high
latitudes due to possible effects from CME impacting the near
Earth environment on 11 April.
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.
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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