[Ips-dhfpr] IPS Daily HF Prop Report - 09 September 01
rwc at ips.gov.au
Mon Sep 10 09:21:39 EST 2001
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z SEPTEMBER 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (09 SEPTEMBER)
Date T index Conditions
09 Sep 147 Normal
Flares Max Fadeout Freq. Sectors
M1.9 0241UT possible lower E. Asia/Aust.
M1.0 1001UT possible lower European
M3.4 1516UT possible lower South American/
M2.0 1841UT possible lower East Pacific/
M9.5 2045UT probable lower East Pacific/
Equatorial PNG Region:
Enhanced by 20%.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 45% during local night.
Southern Australian and New Zealand Region:
Enhanced by 20-30% during local day,
Antarctic Region (Casey/Scott Base):
Enhanced by 15% over the UT day.
Predicted Monthly T index for September: 108
2. FORECAST (10 SEPTEMBER - 12 SEPTEMBER)
Date T index Conditions MUFs
10 Sep 145 Normal about 20% above predicted monthly
11 Sep 145 Normal about 20% above predicted monthly
12 Sep 110 Normal-Fair Initially 15% enhanced, then
decoming depressed 15% later
in UT day.
COMMENT: IPS HF Communications Warning 46 was issued on 9 September
and is current for interval 10-12 September (SWFs) . Enhanced
MUFs again expected today. Fadeouts can be expected on daylight
HF circuits. Southern region Aus/NZ may expereience a degradation
in HF conditions local night 12 Sep and after local dawn 13 Sep.
Degradation forecast for 12 Sep will be revised as more details
of M9 event become available.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
More information about the ips-dhfpr