[Ips-dhfpr] IPS Daily HF Prop Report - 13 May 03
rwc at ips.gov.au
Wed May 14 09:18:52 EST 2003
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 13/2330Z MAY 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 MAY)
Date T index Conditions
13 May 53 Fair-normal
Equatorial PNG Region:
Enhanced by 20% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Enhanced by 15% during local day,
Depressed by 25% during local night.
Southern Australian and New Zealand Region:
Antarctic Region (Casey/Scott Base):
Depressed by 20% over the UT day.
Spread F observed.
PCA Event : No event.
Predicted Monthly T index for May: 72
2. FORECAST (14 MAY - 16 MAY)
Date T index Conditions MUFs
14 May 55 Fair depressed 10 to 15%(south Aus/NZ)
14 May 70 Normal-Fair near predicted (north Aus)
15 May 70 Normal-Fair Near predicted monthly values
16 May 70 Normal-Fair Near predicted monthly values
COMMENT: IPS HF Communications Warning 37 was issued on 11 May
and is current for interval 12-14 May. Lower than normal MUFs
again expected for southern Aus/NZ region. Northern Aus region
MUFs again expected to be near normal. In general southern region
MUFs are expected to improve after today. However, an extended
period of lower than normal MUFs after local dawn and degraded
local night conditions may be experienced by southern Aus/NZ
HF communicators. Chance for shortwave fadeouts.
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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