[Ips-dhfpr] IPS Daily HF Prop Report - 05 August 03
rwc
rwc at ips.gov.au
Wed Aug 6 08:24:29 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 05/2330Z AUGUST 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (05 AUGUST)
Date T index Conditions
05 Aug 63 Normal
Flares Max Fadeout Freq. Sectors
M1.7/SN 1249UT possible lower European
MUFs:
Equatorial PNG Region:
Enhanced by 25% during local day,
Enhanced by 40% during local night.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Antarctic Region (Casey/Scott Base):
Enhanced 15% early in UT day, then
Near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for August: 60
2. FORECAST (06 AUGUST - 08 AUGUST)
Date T index Conditions MUFs
06 Aug 65 Normal-Fair Near predicted monthly values
07 Aug 55 Fair depressed 10 to 15%/near predicted
monthly values
08 Aug 50 Fair depressed 10 to 15%/near predicted
monthly values
COMMENT: IPS HF Communications Warning 55 was issued on 5 August
and is current for interval 7-9 August. A gradual return to degraded
conditions is expected for southern Aus/NZ region over next few
days, due induced geomagnetic activity from a coronal hole high
speed wind stream. Northern Aus region MUFs expected to remain
near predicted monthly values. Isolated shortwave fadeouts possible.
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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