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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>
25 Aug 1997 17:01:26 yearsecs  20451686
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.71  177.77  -50.20  111.88
    1.00  -66.47  192.77  -50.80  121.99
    2.00  -67.35  207.77  -52.12  131.74
    3.00  -68.23  222.77  -53.98  141.20
    4.00  -67.96  237.77  -55.22  151.06
    5.00  -68.72  252.77  -57.81  160.43
    6.00  -68.79  267.77  -60.15  170.33
    7.00  -69.30  282.77  -63.26  179.79
    8.00  -70.54  297.77  -67.37  187.91
    9.00  -71.18  312.77  -71.32  196.92
   10.00  -71.39  327.77  -75.17  207.87
   11.00  -70.70  342.77  -78.51  225.17
   12.00  -70.37  357.77  -81.84  250.28
   13.00  -70.32   12.77  -83.97  293.66
   14.00  -70.53   27.77  -82.90  344.74
   15.00  -71.01   42.77  -79.65   16.16
   16.00  -71.50   57.77  -75.85   34.94
   17.00  -71.49   72.77  -71.75   47.33
   18.00  -71.51   87.77  -67.99   58.18
   19.00  -70.76  102.77  -63.92   66.80
   20.00  -69.84  117.77  -60.14   75.26
   21.00  -68.94  132.77  -56.95   83.96
   22.00  -68.26  147.77  -54.59   93.09
   23.00  -67.04  162.77  -52.21  102.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.71  177.77  -55.23  113.09
    1.00  -71.90  192.77  -56.23  122.24
    2.00  -72.71  207.77  -57.38  130.87
    3.00  -78.25  222.77  -63.60  136.59
    4.00  -80.16  237.77  -66.46  141.50
    5.00  -80.58  252.77  -68.16  146.85
    6.00  -79.92  267.77  -69.31  153.80
    7.00  -78.93  282.77  -70.69  161.83
    8.00  -79.01  297.77  -73.17  167.06
    9.00  -79.03  312.77  -75.85  171.62
   10.00  -78.86  327.77  -78.69  175.69
   11.00  -78.85  342.77  -81.70  176.21
   12.00  -79.08  357.77  -84.50  166.44
   13.00  -78.88   12.77  -86.59  136.30
   14.00  -78.67   27.77  -85.80   87.86
   15.00  -78.47   42.77  -82.88   71.02
   16.00  -78.26   57.77  -79.48   68.73
   17.00  -78.05   72.77  -76.06   71.11
   18.00  -79.12   87.77  -73.52   79.88
   19.00  -79.38  102.77  -71.06   85.58
   20.00  -78.57  117.77  -68.17   89.28
   21.00  -76.72  132.77  -64.57   92.76
   22.00  -73.82  147.77  -60.18   97.29
   23.00  -72.04  162.77  -57.25  104.62
</PRE>


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