[Ips-whfpr] IPS Weekly Prop. Report (11 June 08)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 11/0200Z JUNE 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (04 JUNE - 10 JUNE)
Date   T index   Conditions        
04 Jun   -4      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values. Depressions 20-45% at
      Vanimo 02-14 UT. Night spread F observed.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 30% at
      Darwin 02-04 and 19-21 UT. Night spread F observed.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Enhanced to 30% 12-18
      UT at Christchurch. Night spread F observed at
      Christchurch, Learmonth and Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      No data for Casey and Mawson since 05 UT. Near
      predicted monthly values at Scott Base with spread F
      observed throughout the reporting period.

05 Jun   -8      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values. Depressions to 50% at
      Vanimo 02-11 UT and to 30% at Niue 03, 21-22 UT. Night
      spread F observed at Niue.
   Northern Australian Region:
      Near predicted monthly values. Occasional depressions
      to 30%, particularly at Darwin. Night spread F observed.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Occasional depressions
      to 25% at Canberra, Hobart and Learmonth. Enhancements
      to 30% at Christchurch 11-18 UT. Night spread F
      observed at Christchurch, Hobart and Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values. Depressions to 40%
      at Casey and Mawson 04-08 UT. Spread F observed.

06 Jun   -0      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Depressed by 15% 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):
      Enhanced by 25% over the UT day.

07 Jun   10      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Variable conditions during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 50% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 50% over the UT day.

08 Jun    3      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.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 45% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 45% over the UT day.

09 Jun    5      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.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 45% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 65% over the UT day.

10 Jun   -3      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
   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 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 60% over the UT day.

Predicted Monthly T index for June:   5
2. FORECAST (11 JUNE - 17 JUNE) 
MUFS: Briefly depressed after local dawn on 17 Jun.
MUFs expected to be near predicted monthly values on 
other days.

Propagation conditions: Fair 17-Jun, otherwise normal. 
No SWFs expected.

T index:    5

3. OUTLOOK (18 JUNE - 18 JULY)
Degraded HF propagation conditions possible:
No signficant degraded periods expected.

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 

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"