[Ips-dhfpr] IPS Daily HF Prop Report - 20 January 09
rwc at ips.gov.au
Wed Jan 21 10:21:40 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z JANUARY 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 JANUARY)
Date T index Conditions
20 Jan -14 Fair
Equatorial PNG/Niue Region:
Mostly near predicted monthly values,
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Depressed by 20% during local day,
Near predicted monthly values 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 (21 JANUARY - 23 JANUARY)
Date T index Conditions MUFs
21 Jan -15 Normal-fair near predicted monthly values/depressed
10 to 20%
22 Jan -15 Normal-fair near predicted monthly values/depressed
10 to 20%
23 Jan -15 Normal near predicted monthly values/depressed
10 to 20%
COMMENT: Intermittent sporadic-E events observed throughout the
region. Very strong and blanketing at times, particularly in
the Canberra - Sydney region 00-04UT. MUFs were generally mildly
depressed 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 occasional MUF depressions 21 Jan. Disturbances
possible in the Antarctic region due to substorm activity.
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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