[Ips-whfpr] IPS Weekly Prop. Report (02 July 08)
rwc
rwc at ips.gov.au
Wed Jul 2 11:50:36 EST 2008
SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 02/0200Z JULY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 JUNE - 01 JULY)
Date T index Conditions
25 Jun 9 Normal
MUFS:
Equatorial PNG/Niue Region:
Near predicted monthly values.
Northern Australian Region:
Depressed by 15% during local day,
Enhanced by 15% during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 30% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
26 Jun 2 Normal
MUFS:
Equatorial PNG/Niue Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Depressed by 30% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with some enhancements
at times.
27 Jun -0 Normal
MUFS:
Equatorial PNG/Niue Region:
Near predicted monthly values with minor
to significant depressions during local
day time.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted montly values with periods of enhanced
MUFs and some periods of minor to significant
degradations.
28 Jun -2 Normal
MUFS:
Equatorial PNG/Niue Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with periods of some
enhancement and periods of minor to significant
degradations.
29 Jun 1 Normal
MUFS:
Equatorial PNG/Niue Region:
Depressed by 25% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Mostly near predicted monthly values,
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 65% over the UT day.
30 Jun -1 Normal
MUFS:
Equatorial PNG/Niue Region:
Depressed by 15% during local day,
Near predicted monthly values during local night.
Northern Australian Region:
Near predicted monthly values during local day,
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values with periods of enhancements
and periods of minor to moderate degradations.
01 Jul -5 Normal
MUFS:
Equatorial PNG/Niue Region:
Near predicted monthly values during local day,
Depressed by 20% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Mostly near predicted monthly values with periods
of minor to moderate MUF depressions.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted montly values with periods of
enhancements and periods of minor to significant
degradations.
Predicted Monthly T index for July: 5
2. FORECAST (02 JULY - 08 JULY)
MUFS: MUFs near predicted monthly values.
Propagation conditions: Mostly normal. No SWFs
T index: 3
3. OUTLOOK (09 JULY - 08 AUGUST)
Degraded HF propagation conditions possible:
No signficant degraded periods expected. However, periods
of minor to mild degradations may be possible at times on
11, 12 and 23 July.
PLEASE NOTE:
Space weather conditions can frequently be determined by short
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.
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
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