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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>
22 Aug 1997 14:15:52 yearsecs  20182552
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.17  223.62  -48.32  143.64
    1.00  -62.73  238.62  -50.50  154.23
    2.00  -63.30  253.62  -53.06  164.84
    3.00  -63.86  268.62  -55.94  175.54
    4.00  -63.44  283.62  -58.30  187.33
    5.00  -64.71  298.62  -62.60  197.60
    6.00  -65.20  313.62  -66.63  209.35
    7.00  -65.22  328.62  -70.44  223.72
    8.00  -65.68  343.62  -74.52  240.94
    9.00  -65.25  358.62  -77.14  266.90
   10.00  -64.83   13.62  -77.96  301.08
   11.00  -64.64   28.62  -76.19  334.68
   12.00  -64.68   43.62  -72.71  359.75
   13.00  -64.94   58.62  -68.92   18.41
   14.00  -65.42   73.62  -65.47   34.09
   15.00  -66.13   88.62  -62.52   48.39
   16.00  -67.06  103.62  -60.09   61.67
   17.00  -68.22  118.62  -58.37   73.87
   18.00  -68.24  133.62  -56.13   83.88
   19.00  -67.55  148.62  -53.79   93.18
   20.00  -66.18  163.62  -51.29  102.47
   21.00  -65.08  178.62  -49.54  112.32
   22.00  -63.83  193.62  -48.19  122.45
   23.00  -62.64  208.62  -47.60  132.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.46  223.62  -55.20  141.30
    1.00  -70.59  238.62  -57.73  150.07
    2.00  -71.62  253.62  -60.50  158.48
    3.00  -72.66  268.62  -63.61  166.32
    4.00  -75.50  283.62  -68.41  169.97
    5.00  -76.60  298.62  -71.94  174.63
    6.00  -75.95  313.62  -74.62  183.61
    7.00  -75.13  328.62  -77.63  194.38
    8.00  -75.82  343.62  -81.55  198.45
    9.00  -75.97  358.62  -85.38  203.59
   10.00  -76.07   13.62  -89.27  188.96
   11.00  -75.92   28.62  -86.59   42.72
   12.00  -75.58   43.62  -82.40   45.83
   13.00  -75.47   58.62  -78.32   53.16
   14.00  -75.63   73.62  -74.61   61.61
   15.00  -75.21   88.62  -70.83   67.96
   16.00  -75.08  103.62  -67.62   75.48
   17.00  -73.47  118.62  -63.51   80.75
   18.00  -73.27  133.62  -61.16   88.88
   19.00  -74.07  148.62  -60.35   97.97
   20.00  -73.45  163.62  -58.62  105.87
   21.00  -71.30  178.62  -55.80  113.76
   22.00  -70.52  193.62  -54.86  122.70
   23.00  -69.53  208.62  -54.29  131.95
</PRE>


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