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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 Mar 1997 01:40:00 yearsecs   7436400
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.71   47.76  -70.42    3.63
    1.00  -63.69   62.76  -66.32   20.50
    2.00  -64.47   77.76  -63.35   36.19
    3.00  -65.25   92.76  -60.61   50.42
    4.00  -65.01  107.76  -57.12   62.14
    5.00  -66.16  122.76  -55.58   74.54
    6.00  -66.42  137.76  -53.75   85.14
    7.00  -66.28  152.76  -52.14   95.19
    8.00  -66.85  167.76  -51.74  105.50
    9.00  -66.46  182.76  -50.84  115.37
   10.00  -66.05  197.76  -50.47  125.28
   11.00  -65.85  212.76  -50.96  135.26
   12.00  -65.89  227.76  -52.23  145.32
   13.00  -66.15  242.76  -54.17  155.42
   14.00  -66.63  257.76  -56.67  165.46
   15.00  -67.33  272.76  -59.73  175.28
   16.00  -68.27  287.76  -63.37  184.66
   17.00  -69.33  302.76  -67.52  193.60
   18.00  -69.25  317.76  -71.06  205.23
   19.00  -68.62  332.76  -74.37  220.58
   20.00  -67.42  347.76  -77.04  242.79
   21.00  -66.37    2.76  -78.88  273.51
   22.00  -65.29   17.76  -78.33  310.94
   23.00  -64.26   32.76  -74.89  342.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.04   47.76  -77.37   18.88
    1.00  -71.18   62.76  -74.19   38.28
    2.00  -72.19   77.76  -71.05   52.96
    3.00  -74.65   92.76  -69.49   68.71
    4.00  -77.31  107.76  -68.70   82.34
    5.00  -78.04  122.76  -67.04   90.34
    6.00  -77.29  137.76  -64.55   95.90
    7.00  -76.66  152.76  -62.57  102.41
    8.00  -77.49  167.76  -62.47  110.35
    9.00  -77.24  182.76  -61.73  117.55
   10.00  -77.46  197.76  -61.91  124.92
   11.00  -77.27  212.76  -62.12  132.29
   12.00  -77.11  227.76  -62.83  139.73
   13.00  -76.93  242.76  -63.95  147.27
   14.00  -77.05  257.76  -65.76  154.45
   15.00  -76.68  272.76  -67.54  162.28
   16.00  -76.71  287.76  -70.01  169.34
   17.00  -75.62  302.76  -72.14  179.34
   18.00  -75.63  317.76  -75.37  186.73
   19.00  -75.92  332.76  -78.96  192.73
   20.00  -75.06  347.76  -82.34  206.33
   21.00  -72.93    2.76  -85.02  245.87
   22.00  -71.58   17.76  -85.35  312.95
   23.00  -70.41   32.76  -81.69  356.16
</PRE>


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