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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>
16 Aug 1997 12:06:28 yearsecs  19656388
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.19  252.72  -51.91  164.85
    1.00  -62.75  267.72  -54.79  175.75
    2.00  -63.32  282.72  -58.01  186.76
    3.00  -63.87  297.72  -61.65  197.95
    4.00  -63.46  312.72  -64.85  211.17
    5.00  -64.73  327.72  -69.78  223.64
    6.00  -65.22  342.72  -73.89  240.65
    7.00  -65.34  357.72  -77.09  264.95
    8.00  -65.90   12.72  -79.14  298.22
    9.00  -65.27   27.72  -77.08  333.50
   10.00  -64.85   42.72  -73.15  358.77
   11.00  -64.66   57.72  -68.84   16.92
   12.00  -64.69   72.72  -64.89   31.95
   13.00  -64.95   87.72  -61.47   45.72
   14.00  -65.44  102.72  -58.61   58.73
   15.00  -66.14  117.72  -56.41   70.91
   16.00  -67.07  132.72  -55.06   82.26
   17.00  -68.23  147.72  -54.56   93.03
   18.00  -68.25  162.72  -53.44  102.75
   19.00  -67.57  177.72  -52.07  112.28
   20.00  -66.19  192.72  -50.53  121.95
   21.00  -65.09  207.72  -49.92  132.00
   22.00  -63.84  222.72  -49.82  142.53
   23.00  -62.66  237.72  -50.32  153.60
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.10  252.72  -61.68  156.51
    1.00  -74.14  267.72  -64.71  163.77
    2.00  -75.09  282.72  -67.94  170.31
    3.00  -76.04  297.72  -71.41  175.71
    4.00  -78.22  312.72  -75.53  174.84
    5.00  -79.34  327.72  -78.75  173.10
    6.00  -78.83  342.72  -81.69  176.32
    7.00  -78.22  357.72  -84.87  175.57
    8.00  -79.02   12.72  -86.44  135.82
    9.00  -78.76   27.72  -85.74   88.94
   10.00  -78.75   42.72  -82.83   73.52
   11.00  -78.55   57.72  -79.54   70.46
   12.00  -78.19   72.72  -76.12   71.72
   13.00  -78.02   87.72  -72.91   76.11
   14.00  -78.09  102.72  -70.16   82.10
   15.00  -77.67  117.72  -67.42   87.44
   16.00  -77.49  132.72  -65.30   93.85
   17.00  -76.11  147.72  -62.44   99.37
   18.00  -75.92  162.72  -61.16  106.85
   19.00  -76.58  177.72  -61.18  114.84
   20.00  -76.07  192.72  -60.46  122.39
   21.00  -74.35  207.72  -59.00  130.51
   22.00  -73.78  222.72  -59.26  138.97
   23.00  -73.06  237.72  -59.89  147.89
</PRE>


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