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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>
09 May 1997 23:42:35 yearsecs  11144555
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.63   72.14  -66.09   33.11
    1.00  -65.96   87.14  -62.69   46.87
    2.00  -66.90  102.14  -60.25   60.33
    3.00  -67.86  117.14  -58.26   72.43
    4.00  -67.66  132.14  -55.74   82.39
    5.00  -68.55  147.14  -54.94   92.88
    6.00  -68.81  162.14  -54.04  102.64
    7.00  -69.69  177.14  -54.22  112.44
    8.00  -70.85  192.14  -55.17  121.82
    9.00  -70.67  207.14  -55.34  130.86
   10.00  -70.16  222.14  -55.76  140.12
   11.00  -69.63  237.14  -56.68  149.73
   12.00  -69.36  252.14  -58.29  159.51
   13.00  -69.36  267.14  -60.54  169.31
   14.00  -69.63  282.14  -63.42  178.92
   15.00  -70.17  297.14  -66.94  188.16
   16.00  -70.71  312.14  -70.81  197.59
   17.00  -70.72  327.14  -74.54  209.36
   18.00  -70.77  342.14  -78.40  224.18
   19.00  -70.01  357.14  -81.39  250.56
   20.00  -69.10   12.14  -82.63  293.45
   21.00  -68.30   27.14  -80.63  336.74
   22.00  -67.72   42.14  -76.55    3.99
   23.00  -66.88   57.14  -71.52   20.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.63   72.14  -71.16   44.45
    1.00  -71.87   87.14  -68.46   58.58
    2.00  -72.75  102.14  -65.89   69.98
    3.00  -78.33  117.14  -68.07   88.53
    4.00  -80.30  132.14  -67.90   98.19
    5.00  -80.81  147.14  -67.03  104.61
    6.00  -80.30  162.14  -65.58  109.92
    7.00  -79.21  177.14  -63.88  115.61
    8.00  -79.05  192.14  -63.51  122.29
    9.00  -78.84  207.14  -63.51  129.11
   10.00  -78.56  222.14  -63.87  136.10
   11.00  -78.59  237.14  -64.96  142.92
   12.00  -78.82  252.14  -66.61  149.32
   13.00  -78.61  267.14  -68.24  156.16
   14.00  -78.39  282.14  -70.24  162.89
   15.00  -78.18  297.14  -72.61  169.42
   16.00  -77.97  312.14  -75.31  175.63
   17.00  -77.75  327.14  -78.30  181.34
   18.00  -78.84  342.14  -81.57  176.32
   19.00  -79.15  357.14  -84.35  166.43
   20.00  -78.38   12.14  -87.06  141.70
   21.00  -76.56   27.14  -86.96   55.57
   22.00  -73.67   42.14  -81.88   30.21
   23.00  -71.91   57.14  -76.37   35.93
</PRE>


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