[Ips-dhfpr] IPS Daily HF Prop Report - 10 January 02
rwc
rwc at ips.gov.au
Fri Jan 11 10:15:33 EST 2002
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 10/2330Z JANUARY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (10 JANUARY)
Date T index Conditions
10 Jan 169 Normal
Flares: none.
MUFs:
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 25% during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Enhanced by 15% after local dawn.
Southern Australian and New Zealand Region:
Enhanced by 25% during local day,
Enhanced by 30% during local night.
Antarctic Region (Casey/Scott Base):
Proton event in progress, increased absorption observed.
Predicted Monthly T index for January: 109
2. FORECAST (11 JANUARY - 13 JANUARY)
Date T index Conditions MUFs
11 Jan 125 Normal-Fair depressed 10 to 15%/near predicted
monthly values
12 Jan 135 Normal-Fair near predicted monthly values
13 Jan 135 Normal near predicted monthly values
COMMENT: IPS HF Communications Warning 2 was issued on 9 January
and is current for interval 10-12 January (SWFs) . Unexpected
bief geomagnetic activity overnight may cause depressed MUFs
after local dawn this morning particulalrly southern region Aus/NZ.
Southern region MUFs in general are expected to come down (from
recently enhanced levels) over the next few days in association
with increased coronal hole sourced geomagnetic activity over
this period.
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
mailing list