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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>
28 Jun 1997 23:40:27 yearsecs  15464427
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.37   73.24  -63.21   30.20
    1.00  -64.48   88.24  -60.83   45.43
    2.00  -65.41  103.24  -58.47   59.12
    3.00  -67.11  118.24  -57.31   72.35
    4.00  -66.82  133.24  -54.73   82.40
    5.00  -67.60  148.24  -53.88   92.96
    6.00  -67.59  163.24  -52.74  102.80
    7.00  -67.59  178.24  -52.08  112.62
    8.00  -68.38  193.24  -52.71  122.38
    9.00  -68.26  208.24  -53.02  131.91
   10.00  -67.99  223.24  -53.79  141.58
   11.00  -67.80  238.24  -55.13  151.45
   12.00  -67.84  253.24  -57.09  161.43
   13.00  -68.10  268.24  -59.62  171.37
   14.00  -68.58  283.24  -62.73  181.09
   15.00  -69.28  298.24  -66.45  190.46
   16.00  -70.11  313.24  -70.62  199.74
   17.00  -70.74  328.24  -74.83  210.25
   18.00  -70.65  343.24  -78.59  225.94
   19.00  -70.09  358.24  -81.69  252.50
   20.00  -69.15   13.24  -82.72  296.87
   21.00  -68.24   28.24  -80.36  339.21
   22.00  -66.31   43.24  -74.70    2.30
   23.00  -64.44   58.24  -68.44   17.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.37   73.24  -68.71   39.77
    1.00  -69.48   88.24  -65.99   54.20
    2.00  -70.41  103.24  -63.49   66.53
    3.00  -75.69  118.24  -65.61   84.08
    4.00  -78.01  133.24  -65.72   94.86
    5.00  -78.34  148.24  -64.58  101.98
    6.00  -77.48  163.24  -62.70  108.17
    7.00  -76.53  178.24  -61.11  115.08
    8.00  -76.75  193.24  -61.15  122.69
    9.00  -76.43  208.24  -61.11  130.29
   10.00  -76.57  223.24  -61.99  137.82
   11.00  -76.49  238.24  -63.12  145.43
   12.00  -76.79  253.24  -64.98  152.59
   13.00  -76.61  268.24  -66.81  160.22
   14.00  -76.60  283.24  -69.16  167.46
   15.00  -76.38  298.24  -71.73  175.06
   16.00  -76.54  313.24  -74.85  181.36
   17.00  -76.31  328.24  -78.06  188.80
   18.00  -77.07  343.24  -81.74  189.41
   19.00  -76.94  358.24  -85.29  190.84
   20.00  -75.94   13.24  -89.21  201.46
   21.00  -73.88   28.24  -85.82   10.05
   22.00  -71.31   43.24  -79.78   18.15
   23.00  -69.44   58.24  -73.86   28.63
</PRE>


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