[Ips-dhfpr] IPS Daily HF Prop Report - 08 August 03
rwc at ips.gov.au
Sat Aug 9 08:24:51 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 08/2330Z AUGUST 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (08 AUGUST)
Date T index Conditions
08 Aug 83 Fair-normal
Equatorial PNG Region:
Enhanced by 45% during local day,
Enhanced by 50% during local night.
Northern Australian Region:
Enhanced by 30% during local day,
Enhanced by 15% during local night.
Southern Australian and New Zealand Region:
Enhanced by 25% during local day,
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base):
15% depressed to near normal.
Blanketing spoardic E observed later in day.
Some spread F.
PCA Event : No event.
Predicted Monthly T index for August: 60
2. FORECAST (09 AUGUST - 11 AUGUST)
Date T index Conditions MUFs
09 Aug 60 Fair-normal depressed 10 to 15%/near predicted
10 Aug 70 Normal near predicted monthly values
11 Aug 70 Normal-Fair near predicted monthly values
COMMENT: IPS HF Communications Warning 55 was issued on 5 August
and is current for interval 7-9 August. Mild depressions possible
after local dawn southern Aus/NZ region. Also, mildly degraded
conditions may be experienced during local night hours. Northern
region MUFs expected to be near to 15% above normal. Another
mildly degraded interval is expected to begin around 12 Aug
due to another coronal hole high speed wind stream. Isolated
short wave fadeouts may be experienced in coming days due to
a possible active region roatating onto the solar disk.
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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