[Ips-dhfpr] IPS Daily HF Prop Report - 20 July 08
rwc at ips.gov.au
Mon Jul 21 09:35:37 EST 2008
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 20/2330Z JULY 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 JULY)
Date T index Conditions
20 Jul -4 Normal-fair
Equatorial PNG/Niue Region:
Mostly near predicted monthly values. Depressions to
45% at Vanimo 05-09 UT; no data after 09 UT.Depressions
to 25% at Niue 01-05 UT. Some night spread F and night
sporadic E observed at Niue.
Northern Australian Region:
Near predicted monthly values with depressions to 25%,
00, 03-07 UT at Darwin and 01-03 UT at Townsville.
Night spread F observed.
Southern Australian and New Zealand Region:
Near predicted monthly values. Enhancements to 50%
observed at Christchurch 08-17 UT. Night spread F
observed at most stations.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values to 30% depressed.
PCA Event : No event.
Predicted Monthly T index for July: 4
2. FORECAST (21 JULY - 23 JULY)
Date T index Conditions MUFs
21 Jul -5 Normal Near predicted monthly values
22 Jul -5 Normal Near predicted monthly values
23 Jul -5 Normal-Fair Near predicted monthly values
COMMENT: Occasional depressions to 30% possible. Spread F likely
to to degrade night communications.
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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