[Ips-dhfpr] IPS Daily HF Prop Report - 12 October 03
rwc
rwc at ips.gov.au
Mon Oct 13 08:30:28 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 12/2330Z OCTOBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (12 OCTOBER)
Date T index Conditions
12 Oct 74 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 during local day,
Enhanced by 20% during local night.
Enhanced by 25% after local dawn.
Southern Australian and New Zealand Region:
Enhanced by 15-35%.
Antarctic Region (Casey/Scott Base):
Enhanced by 25% over the UT day.
PCA Event : No event.
Predicted Monthly T index for October: 55
2. FORECAST (13 OCTOBER - 15 OCTOBER)
Date T index Conditions MUFs
13 Oct 70 Normal 10 to 15% above predicted monthly
values
14 Oct 65 Normal Near predicted monthly values
15 Oct 45 Normal-Fair depressed 10 to 15%/near predicted
monthly values
COMMENT: IPS HF Communications Warning 67 was issued on 12 October
and is current for interval 15-16 October. Higher than normal
MUFs expected today. A mild to moderate degradation/depression
period is expected to begin 14/15 Oct due to anticipated geomagnetic
activity induced by a coronal hole high spped wind stream.
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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