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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 May 1997 21:30:48 yearsecs  12778248
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.89  103.59  -57.85   58.70
    1.00  -65.51  118.59  -55.61   70.87
    2.00  -66.46  133.59  -54.31   82.33
    3.00  -67.42  148.59  -53.66   93.07
    4.00  -67.22  163.59  -52.34  102.87
    5.00  -68.11  178.59  -52.59  112.97
    6.00  -68.36  193.59  -52.69  122.60
    7.00  -69.15  208.59  -53.91  131.99
    8.00  -70.81  223.59  -56.49  140.75
    9.00  -72.20  238.59  -59.19  148.99
   10.00  -71.00  253.59  -59.95  159.02
   11.00  -70.08  268.59  -61.40  169.46
   12.00  -69.58  283.59  -63.65  179.96
   13.00  -69.43  298.59  -66.65  190.46
   14.00  -69.60  313.59  -70.31  201.13
   15.00  -70.08  328.59  -74.43  212.50
   16.00  -70.58  343.59  -78.62  226.66
   17.00  -70.56  358.59  -82.18  251.11
   18.00  -70.60   13.59  -84.30  296.21
   19.00  -69.82   28.59  -82.00  344.30
   20.00  -68.86   43.59  -77.37    9.36
   21.00  -67.94   58.59  -72.25   24.91
   22.00  -67.36   73.59  -67.58   37.86
   23.00  -66.28   88.59  -62.69   48.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.89  103.59  -62.91   65.91
    1.00  -71.11  118.59  -61.25   77.42
    2.00  -71.95  133.59  -59.86   87.43
    3.00  -77.72  148.59  -63.95  101.45
    4.00  -79.71  163.59  -64.92  110.02
    5.00  -80.14  178.59  -64.80  116.64
    6.00  -79.45  193.59  -63.92  122.95
    7.00  -78.40  208.59  -63.10  129.91
    8.00  -78.48  223.59  -63.88  136.81
    9.00  -78.45  238.59  -64.96  143.72
   10.00  -78.23  253.59  -66.26  150.81
   11.00  -78.28  268.59  -68.18  157.39
   12.00  -78.54  283.59  -70.56  163.11
   13.00  -78.34  298.59  -72.95  169.49
   14.00  -78.13  313.59  -75.66  175.48
   15.00  -77.93  328.59  -78.66  180.80
   16.00  -77.72  343.59  -81.89  184.59
   17.00  -77.50  358.59  -85.28  183.42
   18.00  -78.63   13.59  -86.88  134.47
   19.00  -78.92   28.59  -85.49   88.90
   20.00  -78.08   43.59  -82.74   67.41
   21.00  -76.15   58.59  -78.65   56.79
   22.00  -73.15   73.59  -72.89   52.93
   23.00  -71.28   88.59  -67.59   58.22
</PRE>


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