[Ips-dhfpr] IPS Daily HF Prop Report - 20 May 03
rwc
rwc at ips.gov.au
Wed May 21 09:46:52 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z MAY 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 MAY)
Date T index Conditions
20 May 82 Normal
Flares: none.
MUFs:
Equatorial PNG Region:
Near predicted monthly values during local day,
Depressed by 25% during local night.
Enhanced by 20% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day,
Minor depression during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values with isolated periods of
disturbance.
PCA Event : No event.
Predicted Monthly T index for May: 72
2. FORECAST (21 MAY - 23 MAY)
Date T index Conditions MUFs
21 May 90 Normal Near predicted monthly values
22 May 90 Normal Near predicted monthly values
23 May 80 Normal Near predicted monthly values
COMMENT: Periods of spread-F observed at southern mid latitudes
and high latitudes. Periods of intense sporadic-E observed Southern
Ocean/Antarctic regions. Expect generally improving HF conditions
over the next two days. Possibility of further coronal hole induced
disturbances after May 22.
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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