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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>
25 Mar 1997 00:35:33 yearsecs   7173333
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.93   64.26  -56.98   12.86
    1.00  -57.32   79.26  -54.06   27.60
    2.00  -57.70   94.26  -51.55   41.94
    3.00  -58.08  109.26  -49.25   55.89
    4.00  -58.36  124.26  -47.10   68.95
    5.00  -59.15  139.26  -46.02   81.41
    6.00  -61.07  154.26  -46.68   93.67
    7.00  -62.65  169.26  -47.42  105.15
    8.00  -62.38  184.26  -46.73  115.78
    9.00  -61.77  199.26  -46.30  126.37
   10.00  -61.33  214.26  -46.71  137.12
   11.00  -61.14  229.26  -47.91  148.04
   12.00  -61.17  244.26  -49.77  159.09
   13.00  -61.43  259.26  -52.21  170.25
   14.00  -61.92  274.26  -55.17  181.46
   15.00  -62.62  289.26  -58.69  192.61
   16.00  -63.55  304.26  -62.87  203.72
   17.00  -64.71  319.26  -67.61  215.26
   18.00  -64.93  334.26  -71.59  230.52
   19.00  -63.59  349.26  -73.77  253.34
   20.00  -61.92    4.26  -74.39  282.74
   21.00  -60.73   19.26  -72.95  314.25
   22.00  -58.91   34.26  -67.87  339.76
   23.00  -57.81   49.26  -62.27  358.16
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.43   64.26  -74.81   43.81
    1.00  -73.32   79.26  -71.59   57.17
    2.00  -74.18   94.26  -68.79   68.40
    3.00  -74.67  109.26  -66.22   77.64
    4.00  -75.47  124.26  -64.52   86.76
    5.00  -76.69  139.26  -63.82   95.84
    6.00  -77.01  154.26  -62.81  103.45
    7.00  -76.23  169.26  -61.13  110.39
    8.00  -76.34  184.26  -60.79  118.09
    9.00  -76.57  199.26  -61.02  125.72
   10.00  -76.07  214.26  -60.99  133.48
   11.00  -75.70  229.26  -61.60  141.43
   12.00  -75.45  244.26  -62.78  149.50
   13.00  -75.25  259.26  -64.42  157.67
   14.00  -75.20  274.26  -66.61  165.65
   15.00  -74.98  289.26  -69.05  173.97
   16.00  -75.24  304.26  -72.21  181.15
   17.00  -75.32  319.26  -75.54  188.62
   18.00  -74.93  334.26  -78.89  198.58
   19.00  -74.07  349.26  -82.30  214.83
   20.00  -73.70    4.26  -85.92  242.00
   21.00  -72.95   19.26  -86.73  323.93
   22.00  -73.07   34.26  -83.66   14.79
   23.00  -72.25   49.26  -78.86   29.74
</PRE>


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