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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 00:33:44 yearsecs   7173224
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.93   64.71  -56.87   13.30
    1.00  -57.32   79.71  -53.97   28.02
    2.00  -57.70   94.71  -51.46   42.35
    3.00  -58.08  109.71  -49.17   56.29
    4.00  -58.36  124.71  -47.03   69.32
    5.00  -59.15  139.71  -45.97   81.76
    6.00  -61.07  154.71  -46.65   94.00
    7.00  -62.65  169.71  -47.40  105.47
    8.00  -62.38  184.71  -46.73  116.10
    9.00  -61.77  199.71  -46.32  126.69
   10.00  -61.33  214.71  -46.74  137.44
   11.00  -61.14  229.71  -47.96  148.37
   12.00  -61.17  244.71  -49.83  159.43
   13.00  -61.43  259.71  -52.28  170.59
   14.00  -61.92  274.71  -55.25  181.81
   15.00  -62.62  289.71  -58.79  192.97
   16.00  -63.55  304.71  -62.98  204.10
   17.00  -64.71  319.71  -67.73  215.69
   18.00  -64.93  334.71  -71.70  231.05
   19.00  -63.59  349.71  -73.87  254.06
   20.00  -61.92    4.71  -74.43  283.65
   21.00  -60.73   19.71  -72.90  315.15
   22.00  -58.91   34.71  -67.75  340.43
   23.00  -57.81   49.71  -62.14  358.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.46   64.71  -74.71   44.25
    1.00  -73.35   79.71  -71.50   57.54
    2.00  -74.21   94.71  -68.72   68.73
    3.00  -74.71  109.71  -66.17   77.94
    4.00  -75.51  124.71  -64.49   87.05
    5.00  -76.73  139.71  -63.81   96.10
    6.00  -77.05  154.71  -62.82  103.71
    7.00  -76.28  169.71  -61.17  110.64
    8.00  -76.40  184.71  -60.85  118.33
    9.00  -76.62  199.71  -61.08  125.94
   10.00  -76.11  214.71  -61.06  133.69
   11.00  -75.74  229.71  -61.67  141.64
   12.00  -75.49  244.71  -62.86  149.70
   13.00  -75.28  259.71  -64.51  157.86
   14.00  -75.23  274.71  -66.70  165.84
   15.00  -75.00  289.71  -69.15  174.15
   16.00  -75.26  304.71  -72.32  181.32
   17.00  -75.34  319.71  -75.65  188.79
   18.00  -74.94  334.71  -79.01  198.77
   19.00  -74.08  349.71  -82.42  215.16
   20.00  -73.71    4.71  -86.04  243.10
   21.00  -72.96   19.71  -86.70  326.48
   22.00  -73.09   34.71  -83.55   15.73
   23.00  -72.27   49.71  -78.75   30.31
</PRE>


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