[Ips-dhfpr] IPS Daily HF Prop Report - 18 July 02
rwc
rwc at ips.gov.au
Fri Jul 19 09:59:28 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 18/2330Z JULY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 JULY)
Date T index Conditions
18 Jul 101 Normal
Flares Max Fadeout Freq. Sectors
X1/2B 0744UT probable all Mid East/Indian
MUFs:
Equatorial PNG Region:
Near predicted monthly values to enhanced greater
than 30%.
Northern Australian Region:
Depressed 15% to near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base):
Degraded to PCA event to near predicted monthly
values.
PCA Event : Began at 1810UT 16/07, Ended at 1600UT 18/07
Predicted Monthly T index for July: 108
2. FORECAST (19 JULY - 21 JULY)
Date T index Conditions MUFs
19 Jul 105 Normal Near predicted monthly values
20 Jul 95 Normal-fair near predicted monthly values/depressed
10 to 20%
21 Jul 85 Fair depressed 15 to 30%/near predicted
monthly values
COMMENT: IPS HF Communications Warning 29 was issued on 18 July
and is current for interval 19-21 July (SWFs) . Increased geomagnetic
activity anticipated for late 20 to 21 July is expected to produce
degraded HF conditions for 21 July.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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