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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>
13 Aug 1997 14:24:02 yearsecs  19405442
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.30  222.81  -48.37  143.03
    1.00  -62.86  237.81  -50.52  153.58
    2.00  -63.42  252.81  -53.05  164.17
    3.00  -63.97  267.81  -55.90  174.84
    4.00  -63.57  282.81  -58.26  186.57
    5.00  -64.84  297.81  -62.54  196.79
    6.00  -65.30  312.81  -66.51  208.49
    7.00  -65.24  327.81  -70.26  222.81
    8.00  -65.92  342.81  -74.54  239.30
    9.00  -65.39  357.81  -77.15  265.04
   10.00  -64.97   12.81  -78.11  299.05
   11.00  -64.78   27.81  -76.49  333.18
   12.00  -64.80   42.81  -73.07  358.82
   13.00  -65.06   57.81  -69.28   17.76
   14.00  -65.54   72.81  -65.81   33.56
   15.00  -66.24   87.81  -62.83   47.91
   16.00  -67.17  102.81  -60.37   61.21
   17.00  -68.32  117.81  -58.61   73.43
   18.00  -68.34  132.81  -56.34   83.43
   19.00  -67.65  147.81  -53.97   92.71
   20.00  -66.28  162.81  -51.44  101.96
   21.00  -65.18  177.81  -49.66  111.79
   22.00  -63.95  192.81  -48.30  121.90
   23.00  -62.76  207.81  -47.67  132.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.10  222.81  -56.70  140.17
    1.00  -72.21  237.81  -59.12  148.52
    2.00  -73.20  252.81  -61.78  156.45
    3.00  -74.21  267.81  -64.78  163.73
    4.00  -76.86  282.81  -69.27  166.70
    5.00  -77.89  297.81  -72.56  170.54
    6.00  -77.32  312.81  -75.15  178.31
    7.00  -76.96  327.81  -78.20  185.50
    8.00  -77.46  342.81  -81.69  186.49
    9.00  -77.36  357.81  -85.13  185.65
   10.00  -77.42   12.81  -88.06  148.45
   11.00  -77.25   27.81  -86.60   67.74
   12.00  -76.89   42.81  -82.92   56.91
   13.00  -76.75   57.81  -79.07   59.81
   14.00  -76.88   72.81  -75.50   66.15
   15.00  -76.45   87.81  -71.89   71.17
   16.00  -76.30  102.81  -68.77   77.77
   17.00  -74.77  117.81  -64.84   82.33
   18.00  -74.54  132.81  -62.50   89.94
   19.00  -75.26  147.81  -61.60   98.61
   20.00  -74.67  162.81  -59.90  106.12
   21.00  -72.70  177.81  -57.24  113.66
   22.00  -72.00  192.81  -56.34  122.27
   23.00  -71.14  207.81  -55.83  131.18
</PRE>


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