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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>
23 Sep 1997 14:30:30 yearsecs  22948230
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.04  214.44  -50.29  136.55
    1.00  -65.25  229.44  -51.80  146.71
    2.00  -66.24  244.44  -54.46  156.52
    3.00  -67.24  259.44  -57.47  166.13
    4.00  -67.07  274.44  -59.79  176.74
    5.00  -68.01  289.44  -63.49  186.21
    6.00  -68.29  304.44  -67.05  196.70
    7.00  -69.12  319.44  -71.38  206.92
    8.00  -70.72  334.44  -76.40  216.07
    9.00  -71.08  349.44  -80.46  232.37
   10.00  -70.17    4.44  -82.93  267.28
   11.00  -69.43   19.44  -82.87  316.96
   12.00  -69.03   34.44  -79.89  354.63
   13.00  -68.95   49.44  -75.84   17.37
   14.00  -69.16   64.44  -71.86   33.84
   15.00  -69.67   79.44  -68.36   47.85
   16.00  -70.19   94.44  -65.21   60.08
   17.00  -70.18  109.44  -62.01   70.28
   18.00  -70.22  124.44  -59.42   79.97
   19.00  -69.43  139.44  -56.63   88.63
   20.00  -68.44  154.44  -54.21   97.50
   21.00  -67.61  169.44  -52.43  106.88
   22.00  -67.04  184.44  -51.39  116.57
   23.00  -66.18  199.44  -50.65  126.39
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.53  214.44  -60.48  133.77
    1.00  -76.66  229.44  -62.53  140.87
    2.00  -77.52  244.44  -64.66  147.45
    3.00  -81.70  259.44  -69.72  147.15
    4.00  -83.23  274.44  -72.28  147.64
    5.00  -83.70  289.44  -74.07  148.97
    6.00  -83.47  304.44  -75.69  151.54
    7.00  -83.08  319.44  -77.49  153.59
    8.00  -82.75  334.44  -79.43  153.21
    9.00  -82.51  349.44  -81.28  148.44
   10.00  -82.14    4.44  -82.86  137.98
   11.00  -81.98   19.44  -83.32  119.82
   12.00  -81.98   34.44  -82.35  103.12
   13.00  -81.68   49.44  -80.65   91.75
   14.00  -81.38   64.44  -78.34   86.67
   15.00  -81.09   79.44  -75.79   85.82
   16.00  -80.81   94.44  -73.24   87.55
   17.00  -80.52  109.44  -70.84   90.87
   18.00  -81.27  124.44  -69.53   97.46
   19.00  -81.44  139.44  -68.22  102.79
   20.00  -80.90  154.44  -66.61  107.49
   21.00  -79.57  169.44  -64.50  112.42
   22.00  -77.48  184.44  -61.95  118.43
   23.00  -76.30  199.44  -60.76  125.84
</PRE>


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