[Ips-dhfpr] IPS Daily HF Prop Report - 28 December 02
rwc at ips.gov.au
Sun Dec 29 10:33:11 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 28/2330Z DECEMBER 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (28 DECEMBER)
Date T index Conditions
28 Dec 112 Fair
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 25% during local night.
Northern Australian Region:
Enhanced by 20-30% over the UT day.
Southern Australian and New Zealand Region:
Near predicted monthly values over the UT day.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for December: 90
2. FORECAST (29 DECEMBER - 31 DECEMBER)
Date T index Conditions MUFs
29 Dec 130 Normal-Fair 10 to 20% above predicted monthly
30 Dec 140 Normal 10 to 20% above predicted monthly
31 Dec 140 Normal 10 to 20% above predicted monthly
COMMENT: IPS HF Communications Warning 81 was issued on 25 December
and is current for interval 28-29 December. Persistent and occasionally
intense sporadic E observed at all stations, but particularly
at mid to high latitudes. Persistent spread F observed at Antarctic
stations. Coronal hole induced geomagnetic activity may cause
mild ionospheric depressions, but is expected to decline over
the next few days.
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
More information about the ips-dhfpr