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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>
19 May 1997 18:18:33 yearsecs  11989113
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.07  153.27  -51.89   95.42
    1.00  -66.13  168.27  -51.00  105.59
    2.00  -66.93  183.27  -51.30  115.79
    3.00  -67.73  198.27  -52.14  125.59
    4.00  -67.34  213.27  -52.42  135.31
    5.00  -68.01  228.27  -54.26  144.83
    6.00  -67.97  243.27  -55.89  154.69
    7.00  -68.40  258.27  -58.32  164.35
    8.00  -69.59  273.27  -61.77  173.10
    9.00  -69.75  288.27  -64.73  182.84
   10.00  -69.37  303.27  -67.66  193.90
   11.00  -69.04  318.27  -71.03  206.12
   12.00  -68.97  333.27  -74.77  220.18
   13.00  -69.15  348.27  -78.65  238.33
   14.00  -69.57    3.27  -82.16  266.41
   15.00  -70.23   18.27  -83.84  313.70
   16.00  -70.88   33.27  -82.03  359.33
   17.00  -70.98   48.27  -78.09   23.10
   18.00  -71.12   63.27  -74.00   38.53
   19.00  -70.45   78.27  -69.39   48.79
   20.00  -69.60   93.27  -64.91   58.14
   21.00  -68.82  108.27  -60.90   67.52
   22.00  -68.20  123.27  -57.58   76.99
   23.00  -67.28  138.27  -54.58   86.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.78  153.27  -58.67   99.56
    1.00  -73.87  168.27  -58.79  108.69
    2.00  -74.63  183.27  -59.06  117.20
    3.00  -79.58  198.27  -64.09  125.01
    4.00  -81.30  213.27  -66.19  130.73
    5.00  -81.70  228.27  -67.27  136.14
    6.00  -81.17  243.27  -67.81  142.36
    7.00  -80.36  258.27  -68.55  149.32
    8.00  -80.53  273.27  -70.44  154.42
    9.00  -80.69  288.27  -72.57  158.82
   10.00  -80.37  303.27  -74.70  163.93
   11.00  -80.19  318.27  -77.16  167.63
   12.00  -80.19  333.27  -79.80  168.30
   13.00  -80.07  348.27  -82.43  165.18
   14.00  -79.87    3.27  -84.78  151.95
   15.00  -79.68   18.27  -85.78  118.60
   16.00  -79.49   33.27  -84.34   87.42
   17.00  -79.28   48.27  -81.57   75.97
   18.00  -80.23   63.27  -78.55   80.46
   19.00  -80.46   78.27  -75.82   82.90
   20.00  -79.72   93.27  -72.86   83.58
   21.00  -78.04  108.27  -69.19   84.24
   22.00  -75.47  123.27  -64.66   86.26
   23.00  -73.92  138.27  -61.24   92.16
</PRE>


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