[Ips-dhfpr] IPS Daily HF Prop Report - 22 January 09
rwc at ips.gov.au
Fri Jan 23 10:07:06 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z JANUARY 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 JANUARY)
Date T index Conditions
22 Jan -15 Normal-fair
Equatorial PNG/Niue Region:
Mostly near predicted monthly values,
Depressed by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Depressed by 15% during local day,
Depressed by 20% 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: 6
2. FORECAST (23 JANUARY - 25 JANUARY)
Date T index Conditions MUFs
23 Jan -15 Normal near predicted monthly values/depressed
10 to 20%
24 Jan -15 Normal near predicted monthly values/depressed
10 to 20%
25 Jan -10 Normal near predicted monthly values/depressed
10 to 20%
COMMENT: Strong sporadic-E events again observed throughout the
region, particularly in S.Aus/NZ. MUFs were mildly depressed
in S.Aus with some significant local depressions during the day
in the equatorial region. Continuing Sporadic-E events likely
from Equatorial to S.Aus/NZ regions. Expect continuing variable
HF conditions with some mild MUF depressions 23 Jan.
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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