[Ips-dhfpr] IPS Daily HF Prop Report - 22 September 09
rwc at ips.gov.au
Wed Sep 23 09:53:44 EST 2009
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 22/2330Z SEPTEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 SEPTEMBER)
Date T index Conditions
22 Sep -9 Normal
Equatorial PNG/Niue Region:
Depressed by 25% during local day,
Depressed by 35% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Depressed by 30% during local day,
Near predicted monthly values during local night.
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.
Predicted Monthly T index for September: 0
2. FORECAST (23 SEPTEMBER - 25 SEPTEMBER)
Date T index Conditions MUFs
23 Sep -5 Normal near predicted monthly values/depressed
10 to 30%
24 Sep -5 Normal near predicted monthly values/depressed
10 to 30%
25 Sep -5 Normal near predicted monthly values/depressed
10 to 30%
COMMENT: Mostly normal HF conditions over the last 24 hours for
mid to high latitudes. Equatorial regions experienced depressed
MUFs of ~30% over the entire UT day and Northern AUS regions
had depressed MUFs during local day. Similar conditions are expected
for the next 3 days with continued depressions of ~20% for low
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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