[Ips-whfpr] IPS Weekly Prop. Report (18 June 03)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 18/0200Z JUNE 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (11 JUNE - 17 JUNE)
Date   T index   Conditions        
11 Jun   89      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values to enhanced.
   Northern Australian Region:
      Enhanced 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 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.


12 Jun   84      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values to enhanced.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values.


13 Jun   84      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 55% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values.


14 Jun   84      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values,


15 Jun   86      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
   Antarctic Region (Casey/Scott Base):
      Mostly near predicted monthly values,


16 Jun   80      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Northern Australian Region:
      Enhanced 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 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Mostly Near predicted monthly values.


17 Jun   84      Normal-fair       
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Enhanced by 35% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values to enhanced.
   Southern Australian and New Zealand Region:
      Depressed 10-20% at times to near predicted
      monthly values.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values to depressed.


Predicted Monthly T index for June:  68
2. FORECAST (18 JUNE - 24 JUNE) 
MUFS: 
     18-21: Near predicted to depressed 10-20% at times.
     22-24: Mostly near predicted monthly values.
Propagation conditions: 
     18-21: Normal-fair.
     22-24: Mostly normal.
T index: 
     18-21: 70
     22-24: 80
COMMENT: IPS HF Communications Warning 45 was issued on 16 June
and is current for interval 16-18 June (SWFs) . 
3. OUTLOOK (25 JUNE - 25 JULY)
Degraded HF propagation conditions possible: 29 June - 11 July.

PLEASE NOTE:
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

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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