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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>
12 Oct 1997 20:45:32 yearsecs  24612332
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.27  117.48  -54.51   68.76
    1.00  -63.95  132.48  -51.86   79.55
    2.00  -64.87  147.48  -51.15   90.77
    3.00  -65.78  162.48  -50.95  101.53
    4.00  -65.57  177.48  -50.06  111.65
    5.00  -66.63  192.48  -50.96  121.81
    6.00  -66.82  207.48  -51.58  131.62
    7.00  -66.67  222.48  -52.48  141.51
    8.00  -67.35  237.48  -54.63  151.19
    9.00  -66.92  252.48  -56.16  161.59
   10.00  -66.54  267.48  -58.13  172.35
   11.00  -66.31  282.48  -60.62  183.35
   12.00  -66.35  297.48  -63.79  194.47
   13.00  -66.60  312.48  -67.57  206.03
   14.00  -67.09  327.48  -71.76  218.80
   15.00  -67.79  342.48  -76.11  234.26
   16.00  -68.73  357.48  -80.31  256.00
   17.00  -69.74   12.48  -83.33  293.58
   18.00  -69.59   27.48  -81.97  340.76
   19.00  -69.01   42.48  -77.82    8.19
   20.00  -67.88   57.48  -72.50   23.58
   21.00  -66.85   72.48  -67.33   35.81
   22.00  -65.82   87.48  -62.46   46.93
   23.00  -64.88  102.48  -58.08   57.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.89  117.48  -64.09   80.75
    1.00  -74.89  132.48  -62.87   90.19
    2.00  -75.81  147.48  -62.17   98.96
    3.00  -78.47  162.48  -63.73  108.54
    4.00  -80.54  177.48  -65.23  116.35
    5.00  -81.07  192.48  -65.59  122.57
    6.00  -80.60  207.48  -65.31  128.71
    7.00  -80.19  222.48  -65.49  135.14
    8.00  -80.78  237.48  -67.01  140.65
    9.00  -80.62  252.48  -68.16  146.68
   10.00  -80.84  267.48  -69.95  151.71
   11.00  -80.71  282.48  -71.77  157.00
   12.00  -80.67  297.48  -73.92  161.41
   13.00  -80.40  312.48  -76.22  165.76
   14.00  -80.34  327.48  -78.78  167.61
   15.00  -79.97  342.48  -81.46  168.21
   16.00  -79.96  357.48  -83.95  158.96
   17.00  -79.25   12.48  -86.19  135.56
   18.00  -79.27   27.48  -85.38   94.34
   19.00  -79.18   42.48  -82.77   77.27
   20.00  -78.38   57.48  -79.57   69.40
   21.00  -76.66   72.48  -75.47   65.10
   22.00  -75.34   87.48  -71.18   67.74
   23.00  -74.25  102.48  -67.14   73.14
</PRE>


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