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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>
31 May 1997 17:36:49 yearsecs  13023409
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.79  166.03  -47.72  102.89
    1.00  -62.94  181.03  -47.33  113.58
    2.00  -63.64  196.03  -48.05  124.11
    3.00  -64.33  211.03  -49.37  134.35
    4.00  -64.04  226.03  -50.32  144.77
    5.00  -65.24  241.03  -53.12  154.71
    6.00  -65.49  256.03  -55.40  165.10
    7.00  -65.30  271.03  -57.64  176.05
    8.00  -66.03  286.03  -61.08  186.29
    9.00  -66.53  301.03  -64.75  196.94
   10.00  -65.83  316.03  -67.79  210.43
   11.00  -65.37  331.03  -71.17  226.03
   12.00  -65.29  346.03  -74.71  245.22
   13.00  -65.49    1.03  -77.75  271.37
   14.00  -65.94   16.03  -79.15  306.58
   15.00  -66.63   31.03  -78.02  342.16
   16.00  -67.55   46.03  -75.32    9.08
   17.00  -68.24   61.03  -71.88   28.15
   18.00  -67.98   76.03  -67.58   41.31
   19.00  -67.91   91.03  -63.78   53.38
   20.00  -66.67  106.03  -59.19   62.94
   21.00  -65.57  121.03  -55.25   72.71
   22.00  -64.43  136.03  -51.91   82.46
   23.00  -63.32  151.03  -49.26   92.41
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.23  166.03  -53.23  104.89
    1.00  -69.65  181.03  -54.08  114.85
    2.00  -70.89  196.03  -55.25  124.15
    3.00  -73.17  211.03  -57.98  132.62
    4.00  -76.19  226.03  -61.82  139.46
    5.00  -77.17  241.03  -64.00  146.18
    6.00  -76.46  256.03  -65.04  154.40
    7.00  -75.75  271.03  -66.54  163.05
    8.00  -76.61  286.03  -69.64  168.75
    9.00  -76.47  301.03  -72.32  176.11
   10.00  -76.70  316.03  -75.53  181.95
   11.00  -76.44  331.03  -78.75  189.33
   12.00  -76.05  346.03  -82.21  197.86
   13.00  -75.72    1.03  -85.96  208.20
   14.00  -75.73   16.03  -89.93  288.34
   15.00  -75.15   31.03  -85.74   32.02
   16.00  -74.92   46.03  -81.46   42.35
   17.00  -73.24   61.03  -76.30   44.43
   18.00  -72.98   76.03  -72.14   54.06
   19.00  -73.62   91.03  -69.04   65.20
   20.00  -72.90  106.03  -65.24   72.56
   21.00  -70.64  121.03  -60.38   78.33
   22.00  -69.45  136.03  -57.05   86.49
   23.00  -68.40  151.03  -54.44   95.28
</PRE>


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