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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>
08 Aug 1997 23:48:08 yearsecs  19007288
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.35   73.20  -65.51   33.58
    1.00  -64.74   88.20  -61.13   45.80
    2.00  -65.77  103.20  -58.85   59.56
    3.00  -66.79  118.20  -56.99   71.96
    4.00  -66.53  133.20  -54.44   82.13
    5.00  -67.36  148.20  -53.63   92.78
    6.00  -67.36  163.20  -52.51  102.68
    7.00  -67.24  178.20  -51.72  112.51
    8.00  -67.88  193.20  -52.21  122.34
    9.00  -68.31  208.20  -53.07  131.88
   10.00  -67.88  223.20  -53.68  141.59
   11.00  -67.60  238.20  -54.94  151.54
   12.00  -67.58  253.20  -56.86  161.60
   13.00  -67.81  268.20  -59.37  171.62
   14.00  -68.28  283.20  -62.47  181.46
   15.00  -68.97  298.20  -66.19  190.96
   16.00  -69.83  313.20  -70.40  200.33
   17.00  -70.59  328.20  -74.71  210.67
   18.00  -70.43  343.20  -78.41  226.75
   19.00  -69.88  358.20  -81.50  253.29
   20.00  -68.90   13.20  -82.44  297.02
   21.00  -67.91   28.20  -80.01  338.45
   22.00  -67.03   43.20  -75.52    3.84
   23.00  -66.19   58.20  -70.47   20.46
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.18   73.20  -71.37   46.79
    1.00  -72.22   88.20  -68.51   60.09
    2.00  -73.16  103.20  -66.03   71.38
    3.00  -77.56  118.20  -67.26   87.46
    4.00  -79.67  133.20  -67.24   97.50
    5.00  -80.01  148.20  -66.19  103.96
    6.00  -79.37  163.20  -64.60  109.58
    7.00  -78.83  178.20  -63.46  115.92
    8.00  -79.02  193.20  -63.48  122.76
    9.00  -78.79  208.20  -63.49  129.61
   10.00  -78.94  223.20  -64.30  136.33
   11.00  -78.72  238.20  -65.18  143.26
   12.00  -78.86  253.20  -66.76  149.72
   13.00  -78.61  268.20  -68.38  156.60
   14.00  -78.55  283.20  -70.51  162.93
   15.00  -78.27  298.20  -72.84  169.55
   16.00  -78.40  313.20  -75.70  174.28
   17.00  -78.12  328.20  -78.63  179.68
   18.00  -78.60  343.20  -81.80  178.02
   19.00  -78.32  358.20  -84.93  174.01
   20.00  -77.36   13.20  -88.16  146.82
   21.00  -75.48   28.20  -86.63   34.30
   22.00  -73.40   43.20  -81.40   29.57
   23.00  -71.90   58.20  -76.06   36.82
</PRE>


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