[Ips-dhfpr] IPS Daily HF Prop Report - 27 July 03
rwc
rwc at ips.gov.au
Mon Jul 28 09:50:17 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z JULY 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 JULY)
Date T index Conditions
27 Jul 70 Fair-normal
Flares: none.
MUFs:
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Periods of depressions during local night.
Antarctic Region (Casey/Scott Base):
Extended periods of disturbance over the UT day.
PCA Event : No event.
Predicted Monthly T index for July: 63
2. FORECAST (28 JULY - 30 JULY)
Date T index Conditions MUFs
28 Jul 65 Fair near predicted monthly values/depressed
10 to 20%
29 Jul 65 Fair near predicted monthly values/depressed
10 to 20%
30 Jul 70 Normal-Fair Near predicted monthly values
COMMENT: IPS HF Communications Warning 54 was issued on 27 July
and is current for interval 28-29 July. Intense daytime sporadic-E
observed S. Ocean/Antarctic regions. Expect periods of ionospheric
depression at mid to high latitudes for the next few days in
association with coronal hole induced geomagnetic disturbance.
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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