[Ips-dhfpr] IPS Daily HF Prop Report - 07 September 03
rwc
rwc at ips.gov.au
Mon Sep 8 08:51:07 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 07/2330Z SEPTEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (07 SEPTEMBER)
Date T index Conditions
07 Sep 66 Normal
Flares: none.
MUFs:
Equatorial PNG Region:
Enhanced by 20% during local day,
Enhanced by 35% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for September: 57
2. FORECAST (08 SEPTEMBER - 10 SEPTEMBER)
Date T index Conditions MUFs
08 Sep 70 Normal-fair about 10% above predicted monthly
values
09 Sep 50 Fair depressed 10 to 15%/near predicted
monthly values
10 Sep 40 Fair depressed 10 to 15%/near predicted
monthly values
COMMENT: IPS HF Communications Warning 62 was issued on 7 September
and is current for interval 9-10 September. Initially good HF
condtions expected today, then becoming degraded. Degradations
expected to be confined to southern Aus/NZ region mostly during
local night hours, with depressions likely after local dawn
on days 2 and 3 of the forecast period. Degradation forecast
increased due to anticipataion of combined effects of coronal
hole wind stream and an arrival of a recent mass ejection during
this interval.
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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