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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>
23 Jun 1997 19:38:17 yearsecs  15017897
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.25  132.53  -53.20   80.62
    1.00  -64.54  147.53  -50.81   90.61
    2.00  -65.63  162.53  -50.80  101.50
    3.00  -66.71  177.53  -51.21  111.95
    4.00  -66.52  192.53  -50.85  121.84
    5.00  -67.40  207.53  -52.16  131.58
    6.00  -67.48  222.53  -53.24  141.29
    7.00  -67.36  237.53  -54.64  151.22
    8.00  -68.04  252.53  -57.18  160.80
    9.00  -67.78  267.53  -59.23  171.19
   10.00  -67.45  282.53  -61.63  182.03
   11.00  -67.20  297.53  -64.54  193.27
   12.00  -67.23  312.53  -68.11  204.97
   13.00  -67.49  327.53  -72.11  217.98
   14.00  -67.97  342.53  -76.28  233.85
   15.00  -68.68  357.53  -80.27  256.27
   16.00  -69.59   12.53  -83.17  294.00
   17.00  -70.46   27.53  -82.87  343.81
   18.00  -70.24   42.53  -79.01   12.63
   19.00  -69.71   57.53  -74.32   28.72
   20.00  -68.71   72.53  -69.24   39.94
   21.00  -67.73   87.53  -64.44   50.31
   22.00  -66.82  102.53  -60.08   60.50
   23.00  -66.01  117.53  -56.30   70.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.49  132.53  -58.55   85.30
    1.00  -71.52  147.53  -57.91   95.27
    2.00  -72.49  162.53  -57.73  104.72
    3.00  -76.86  177.53  -61.47  114.85
    4.00  -79.08  192.53  -63.54  122.46
    5.00  -79.40  207.53  -64.09  129.12
    6.00  -78.70  222.53  -64.03  136.19
    7.00  -78.07  237.53  -64.51  143.62
    8.00  -78.44  252.53  -66.32  150.04
    9.00  -78.11  267.53  -67.90  157.25
   10.00  -78.13  282.53  -70.12  163.68
   11.00  -77.98  297.53  -72.56  170.19
   12.00  -78.14  312.53  -75.46  175.10
   13.00  -77.90  327.53  -78.43  180.65
   14.00  -77.90  342.53  -81.66  183.19
   15.00  -77.62  357.53  -85.01  182.71
   16.00  -77.85   12.53  -87.61  144.72
   17.00  -77.57   27.53  -86.52   73.51
   18.00  -77.98   42.53  -83.00   66.74
   19.00  -77.61   57.53  -79.40   64.74
   20.00  -76.58   72.53  -75.42   64.83
   21.00  -74.63   87.53  -70.64   65.79
   22.00  -72.68  102.53  -65.74   70.07
   23.00  -71.16  117.53  -61.48   76.84
</PRE>


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