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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>
15 Mar 1997 02:37:47 yearsecs   6316667
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.02   34.53  -69.24  340.95
    1.00  -60.71   49.53  -66.13    1.63
    2.00  -61.39   64.53  -62.98   18.71
    3.00  -62.07   79.53  -60.11   34.04
    4.00  -61.13   94.53  -55.62   46.24
    5.00  -62.16  109.53  -53.73   60.28
    6.00  -63.22  124.53  -52.24   73.11
    7.00  -63.83  139.53  -50.88   84.53
    8.00  -64.15  154.53  -49.83   95.31
    9.00  -63.70  169.53  -48.47  105.67
   10.00  -63.28  184.53  -47.63  116.10
   11.00  -63.09  199.53  -47.61  126.54
   12.00  -63.13  214.53  -48.46  136.99
   13.00  -63.39  229.53  -50.07  147.46
   14.00  -63.87  244.53  -52.31  157.92
   15.00  -64.58  259.53  -55.11  168.28
   16.00  -65.51  274.53  -58.44  178.41
   17.00  -66.67  289.53  -62.35  188.09
   18.00  -66.64  304.53  -65.67  199.52
   19.00  -66.00  319.53  -68.82  213.30
   20.00  -64.43  334.53  -71.21  231.77
   21.00  -63.32  349.53  -73.57  254.23
   22.00  -61.78    4.53  -74.26  283.44
   23.00  -60.63   19.53  -72.80  314.81
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.15   34.53  -81.02  358.77
    1.00  -70.78   49.53  -77.55   23.77
    2.00  -71.67   64.53  -74.12   41.40
    3.00  -72.37   79.53  -70.75   54.68
    4.00  -74.41   94.53  -68.91   69.09
    5.00  -75.56  109.53  -66.94   79.48
    6.00  -75.43  124.53  -64.44   86.83
    7.00  -74.95  139.53  -62.11   93.96
    8.00  -75.62  154.53  -61.41  102.41
    9.00  -75.70  169.53  -60.59  110.26
   10.00  -75.54  184.53  -59.97  118.07
   11.00  -75.24  199.53  -59.68  125.97
   12.00  -74.96  214.53  -59.92  134.02
   13.00  -74.92  229.53  -60.88  142.08
   14.00  -74.82  244.53  -62.23  150.26
   15.00  -74.33  259.53  -63.67  158.98
   16.00  -74.24  274.53  -65.87  167.41
   17.00  -73.10  289.53  -67.68  177.94
   18.00  -72.94  304.53  -70.70  187.26
   19.00  -73.35  319.53  -74.45  195.55
   20.00  -72.78  334.53  -77.80  208.52
   21.00  -71.18  349.53  -80.56  232.04
   22.00  -70.96    4.53  -83.69  264.06
   23.00  -69.76   19.53  -83.23  317.59
</PRE>


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