[Ips-dhfpr] IPS Daily HF Prop Report - 21 June 07
rwc at ips.gov.au
Fri Jun 22 09:53:19 EST 2007
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z JUNE 2007 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 JUNE)
Date T index Conditions
21 Jun 4 Normal
Equatorial PNG/Niue Region:
Depressed by 25% during local day,
Depressed by 25% during local night.
Northern Australian Region:
Depressed by 20% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day,
Enhanced by 25% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Mostly near predicted monthly values.
PCA Event : No event.
Predicted Monthly T index for June: 9
2. FORECAST (22 JUNE - 24 JUNE)
Date T index Conditions MUFs
22 Jun 5 Normal near predicted monthly values/depressed
5 to 10%
23 Jun 5 Normal near predicted monthly values/depressed
5 to 10%
24 Jun 5 Normal near predicted monthly values/depressed
5 to 10%
COMMENT: Mild depressions were observed for northern Australian
to equatorial regions with mostly normal conditions observed
at other Aus/NZ regions for 21 June. Mild depressions are again
possible for extreme northern Australian regions for 22 June,
otherwise mostly normal conditions are expected for Aus/NZ regions
for the next few days. Sporadic-E and/or Spread-F conditions
were observed at most Aus/NZ regions apart from central Australian
regions during the past 24 hours. These conditions may have degraded
For an explanation of some of the terms in this report, goto
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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