[Ips-whfpr] IPS Weekly Prop. Report (09 June 10)

Wed Jun 9 12:19:49 EST 2010

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 09/0200Z JUNE 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (02 JUNE - 08 JUNE)
Date   T index   Conditions        
02 Jun    8      Fair              
MUFS:
   Cocos Island Region:
      Near predicted monthly values with enhancements to 35%
      03-10 and 13 UT. Sporadic E observed 15-20 UT.
   Niue Island Region:
      Near predicted monthly values 00-01 and 08-18 UT,
      otherwise depressed to 30%.
   Northern Australian Region:
      Mostly 15-30% depressed with night spread F. No
      Townsville data 09-23 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 20% depressed. Night
      spread F observed at all stations.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly 15-30% depressed.

03 Jun    6      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values 00-01 UT. No data
      thereafter.
   Niue Island Region:
      Mostly depressed 15-30%. Night spread F observed 13-17
      UT.
   Northern Australian Region:
      Near predicted monthly values 00-01, 04-06, 18-22 UT
      with depressions to 30% at other times. Spread F
      observed 13-21 UT. No data for Townsville.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values to 15% depressed.
      Occasional depressions to 30%. Night spread F
      observed. No data for Christchurch.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly 15-30% depressed.

04 Jun    8      Fair-normal       
MUFS:
   Cocos Island Region:
      No data.
   Niue Island Region:
      Near predicted monthly values with depressions to 20%
      02-03 and 15-17 UT. Spread F observed 12-17 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 25%
      01-07 and 14-17 UT. Spread F observed at Townsville
      12-19 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 20%
      mostly during daytime. Spread F observed during night
      hours. No data for Christchurch.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed 15-40%.

05 Jun    7      Fair-normal       
MUFS:
   Cocos Island Region:
      No data.
   Niue Island Region:
      Near predicted monthly values with occasional
      depressions to 30% at 02, 07, 16-17 and 22 UT. Some
      night spread F observed.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 30%
      00-02, 10-16 and 21 UT at Darwin and 09-10 UT at
      Townsville. Spread F observed at Townsville 11-20 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Occasional depressions
      to 25%. Spread F observed during night hours. Sporadic
      E observed at Hobart 12-15 UT. No Christchurch data.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly 10 to 30% depressed.

06 Jun    7      Fair-normal       
MUFS:
   Cocos Island Region:
      No data.
   Niue Island Region:
      Depressed to 30% 00, 02, 05, 07-12 and 20-22 UT. Near
      predicted monthly values at other times. Spread F
      observed 09-16 UT.
   Northern Australian Region:
      Mostly 15-30% depressed at Darwin. Near predicted
      monthly values to 20% depressed at Townsville. Spread
      F observed 09-21 UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values with occasional
      depressions to 20%. Depressions of 15-30% at Hobart
      07-14 UT. Spread F observed at Brisbane and Hobart
      during night hours. No data for Christchurch and 00-19
      UT at Norfolk Is.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly 15-35% depressed.

07 Jun   14      Normal            
MUFS:
   Niue Island Region:
      Depressed by 25% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

08 Jun    9      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 15% during local day,
      Depressed by 15% during local night.
   Niue Island Region:
      Depressed by 20% during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

Predicted Monthly T index for June:  26
2. FORECAST (09 JUNE - 15 JUNE) 
MUFS: MUFs near predicted monthly values.
Propagation conditions: Normal. No SWFs
T index:  26

3. OUTLOOK (16 JUNE - 16 JULY)
Degraded HF propagation conditions possible:
25-27 Jun.

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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