[Ips-dhfpr] IPS Daily HF Prop Report - 06 December 08
rwc at ips.gov.au
Sun Dec 7 10:37:02 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 06/2330Z DECEMBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (06 DECEMBER)
Date T index Conditions
06 Dec -31 Normal
Equatorial PNG/Niue Region:
Mostly near predicted monthly values,
Northern Australian Region:
Near predicted monthly values during local day,
Depressed by 15% during local night.
Southern Australian and New Zealand Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Depressed by 20% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Predicted Monthly T index for December: 4
2. FORECAST (07 DECEMBER - 09 DECEMBER)
Date T index Conditions MUFs
07 Dec -30 Normal depressed 10 to 30%/near predicted
08 Dec -30 Normal depressed 10 to 30%/near predicted
09 Dec -30 Normal depressed 10 to 30%/near predicted
COMMENT: IPS HF Communications Warning 21 was issued on 6 December
and is current for interval 7 December only. Variable depressions
observed Equatorial region. Mild to moderate depressions most
Aus/NZ regions, mainly local dawn. Sustained periods of sporadic-E
conditions at most Aus latitudes, extending at times to Equatorial
region. Mild depressions and spread-F conditions Antarctic region
in association with elevated geomagnetic activity. Expect similar
regional HF/ionospheric conditions day one, possibly deteriorating
again Equatorial/N Aus regions days two to three.
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.
Occasionally IPS sends email promoting IPS products and
services to its mailing list customers. If you do not wish to
receive this promotional material please email
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"
More information about the ips-dhfpr