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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
14 Apr 1997 11:55:06 yearsecs   8942106
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.34  253.95  -53.14  165.06
    1.00  -64.06  268.95  -56.17  175.61
    2.00  -65.03  283.95  -59.78  185.88
    3.00  -66.00  298.95  -63.82  196.09
    4.00  -65.80  313.95  -67.24  208.65
    5.00  -66.83  328.95  -71.91  220.85
    6.00  -66.99  343.95  -75.77  238.35
    7.00  -66.86  358.95  -78.80  264.22
    8.00  -67.51   13.95  -80.93  300.38
    9.00  -67.11   28.95  -78.97  338.63
   10.00  -66.70   43.95  -74.95    4.15
   11.00  -66.51   58.95  -70.61   21.93
   12.00  -66.54   73.95  -66.62   36.52
   13.00  -66.80   88.95  -63.14   49.79
   14.00  -67.28  103.95  -60.25   62.22
   15.00  -67.99  118.95  -58.08   73.82
   16.00  -68.92  133.95  -56.78   84.69
   17.00  -69.92  148.95  -56.16   94.95
   18.00  -69.74  163.95  -54.87  104.21
   19.00  -69.17  178.95  -53.65  113.44
   20.00  -68.08  193.95  -52.42  122.82
   21.00  -67.05  208.95  -51.89  132.55
   22.00  -65.55  223.95  -51.55  142.85
   23.00  -63.98  238.95  -51.70  153.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.34  253.95  -57.64  161.51
    1.00  -69.42  268.95  -60.89  170.44
    2.00  -70.42  283.95  -64.43  178.98
    3.00  -74.21  298.95  -70.40  180.96
    4.00  -76.64  313.95  -75.05  181.30
    5.00  -77.53  328.95  -78.63  182.94
    6.00  -76.92  343.95  -81.88  190.64
    7.00  -76.40  358.95  -85.49  197.90
    8.00  -77.17   13.95  -88.41  143.92
    9.00  -76.95   28.95  -86.43   61.16
   10.00  -77.27   43.95  -82.66   60.30
   11.00  -77.03   58.95  -78.89   61.76
   12.00  -77.05   73.95  -75.33   67.32
   13.00  -76.83   88.95  -71.91   72.82
   14.00  -76.90  103.95  -69.04   79.71
   15.00  -76.57  118.95  -66.29   85.97
   16.00  -76.75  133.95  -64.47   93.37
   17.00  -75.99  148.95  -62.22   99.88
   18.00  -76.10  163.95  -61.27  107.60
   19.00  -75.86  178.95  -60.41  115.23
   20.00  -74.74  193.95  -59.11  123.00
   21.00  -72.45  208.95  -57.17  131.60
   22.00  -70.55  223.95  -56.27  141.08
   23.00  -68.98  238.95  -56.29  151.25
</PRE>


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