[Ips-dhfpr] IPS Daily HF Prop Report - 17 May 05
rwc at ips.gov.au
Wed May 18 09:13:11 EST 2005
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 17/2330Z MAY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 MAY)
Date T index Conditions
17 May 54 Normal
Flares Max Fadeout Freq. Sectors
M1.8/1B 0239UT possible lower E. Asia/Aust.
Equatorial PNG Region:
Enhanced by 35% during local day,
Enhanced by 40% during local night.
Northern Australian Region:
Enhanced by 40% during local day,
Enhanced by 55% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Depressed by 25% over the UT day.
PCA Event : No event.
Predicted Monthly T index for May: 27
2. FORECAST (18 MAY - 20 MAY)
Date T index Conditions MUFs
18 May 30 Normal-Fair near predicted monthly values/depressed
10 to 15%
19 May 15 Normal-Fair depressed 10 to 15%/near predicted
20 May 20 Normal depressed 10 to 15%/near predicted
COMMENT: IPS HF Communications Warning 22 was issued on 17 May
and is current for interval 19 May only. Generally good HF conditions
expected for today. A mild to moderate degradation in HF condtions
is possible for southern Aus/NZ region late 18 to 19 May.
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary 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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