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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
09 Mar 1997 12:27:17 yearsecs   5833637
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.57  246.73  -50.48  160.74
    1.00  -62.92  261.73  -53.95  171.11
    2.00  -63.81  276.73  -57.32  181.68
    3.00  -67.15  291.73  -63.23  189.05
    4.00  -67.18  306.73  -66.66  200.36
    5.00  -68.39  321.73  -71.38  210.52
    6.00  -69.08  336.73  -75.74  223.60
    7.00  -70.14  351.73  -80.28  240.06
    8.00  -69.87    6.73  -82.96  274.93
    9.00  -69.50   21.73  -82.74  324.24
   10.00  -68.76   36.73  -79.05  358.04
   11.00  -68.12   51.73  -74.36   17.78
   12.00  -67.81   66.73  -69.87   32.61
   13.00  -67.79   81.73  -65.93   45.71
   14.00  -68.07   96.73  -62.63   58.03
   15.00  -68.65  111.73  -60.05   69.68
   16.00  -69.22  126.73  -58.08   80.34
   17.00  -69.24  141.73  -56.18   89.92
   18.00  -69.29  156.73  -54.90   99.44
   19.00  -68.52  171.73  -53.25  108.67
   20.00  -67.74  186.73  -52.07  118.16
   21.00  -67.01  201.73  -51.53  127.85
   22.00  -65.49  216.73  -50.89  138.00
   23.00  -63.27  231.73  -50.19  149.06
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.57  246.73  -55.07  157.88
    1.00  -67.92  261.73  -58.42  167.10
    2.00  -68.81  276.73  -61.71  176.34
    3.00  -75.52  291.73  -69.90  174.05
    4.00  -77.81  306.73  -74.18  174.27
    5.00  -77.95  321.73  -77.23  178.80
    6.00  -77.53  336.73  -80.34  184.93
    7.00  -76.35  351.73  -83.68  197.30
    8.00  -76.50    6.73  -87.43  192.70
    9.00  -76.55   21.73  -88.30   66.17
   10.00  -76.31   36.73  -84.44   50.08
   11.00  -76.42   51.73  -80.51   55.57
   12.00  -76.75   66.73  -76.88   63.18
   13.00  -76.55   81.73  -73.29   68.74
   14.00  -76.35   96.73  -69.98   75.03
   15.00  -76.15  111.73  -67.07   81.73
   16.00  -75.95  126.73  -64.62   88.71
   17.00  -75.71  141.73  -62.62   95.93
   18.00  -76.97  156.73  -62.60  104.63
   19.00  -77.27  171.73  -62.08  112.16
   20.00  -76.28  186.73  -60.69  119.34
   21.00  -74.02  201.73  -58.50  127.28
   22.00  -70.49  216.73  -55.68  136.70
   23.00  -68.27  231.73  -54.85  146.96
</PRE>


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