[Ips-dhfpr] IPS Daily HF Prop Report - 27 July 11
rwc
rwc at ips.gov.au
Thu Jul 28 09:32:18 EST 2011
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 27/2330Z JULY 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (27 JULY)
Date T index Conditions
27 Jul 39 Fair-normal
Flares Max Fadeout Freq. Sectors
M1.1 1609UT possible lower South American/Atlantic
MUFs:
Cocos Island Region:
Mostly depressed 10 to 30%.
Niue Island Region:
Near predicted monthly values with depressions to 25%
00-01, 05-09, 11-13 and 20-23 UT.
Northern Australian Region:
Mostly 15-35% depressed at Darwin. Near predicted
monthly values with depressions to 25% 10-12 UT at
Townsville. Night spread F observed at Townsville 14-20 UT.
Southern Australian and New Zealand Region:
Near predicted monthly values with depressions to 25%
observed at most stations 06-14 UT. Enhancements to 35%
16-20 UT. Night spread F observed at Brisbane, Hobart and
Perth.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Generally weak ionosphere with depressions to 25% 08-10 UT.
PCA Event : No event.
Predicted Monthly T index for July: 56
2. FORECAST (28 JULY - 30 JULY)
Date T index Conditions MUFs
28 Jul 45 Fair-normal Near predicted monthly values
to 30% depressed.
29 Jul 45 Fair-normal Near predicted monthly values
to 30% depressed.
30 Jul 45 Fair-normal Near predicted monthly values
to 30% depressed.
COMMENT: Expect depressed conditions while solar flux remains
low. Occasional solar activity will increase usable frequencies
nearer to those predicted with the monthly T index.
----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
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
IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information. The views expressed in
this message are those of the individual sender, unless
specifically stated to be the views of IPS. If you are not
the intended recipient, please contact the sender immediately
and delete all copies of this e-mail and attachments.
To unsubscribe from an IPS mail list either send an email to
"MAIL_LIST"-leave at ips.gov.au or go to
http://listserver.ips.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://listserver.ips.gov.au/mailman/listinfo/ips-training.
General information is available from
http://listserver.ips.gov.au/mailman/listinfo/ips-info.
More information about the ips-dhfpr
mailing list