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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>
22 Apr 1997 11:59:05 yearsecs   9633545
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.07  252.88  -51.82  165.05
    1.00  -62.64  267.88  -54.71  175.97
    2.00  -63.21  282.88  -57.94  186.99
    3.00  -63.77  297.88  -61.60  198.20
    4.00  -63.34  312.88  -64.77  211.50
    5.00  -64.59  327.88  -69.69  224.06
    6.00  -65.11  342.88  -73.82  241.11
    7.00  -65.24  357.88  -77.01  265.47
    8.00  -65.81   12.88  -79.05  298.69
    9.00  -65.18   27.88  -76.95  333.74
   10.00  -64.76   42.88  -73.00  358.85
   11.00  -64.57   57.88  -68.69   16.93
   12.00  -64.61   72.88  -64.74   31.94
   13.00  -64.87   87.88  -61.34   45.72
   14.00  -65.35  102.88  -58.48   58.75
   15.00  -66.06  117.88  -56.29   70.93
   16.00  -66.99  132.88  -54.95   82.30
   17.00  -68.14  147.88  -54.46   93.08
   18.00  -68.11  162.88  -53.29  102.80
   19.00  -67.48  177.88  -51.98  112.36
   20.00  -66.10  192.88  -50.44  122.05
   21.00  -64.99  207.88  -49.83  132.12
   22.00  -63.73  222.88  -49.73  142.67
   23.00  -62.55  237.88  -50.24  153.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.92  252.88  -58.00  160.35
    1.00  -70.01  267.88  -61.22  169.09
    2.00  -71.01  282.88  -64.71  177.42
    3.00  -72.01  297.88  -68.55  185.16
    4.00  -74.85  312.88  -73.83  186.85
    5.00  -75.77  327.88  -77.75  191.15
    6.00  -75.47  342.88  -81.25  200.48
    7.00  -74.85  357.88  -84.89  216.80
    8.00  -76.00   12.88  -89.10  198.13
    9.00  -75.84   27.88  -86.78   40.89
   10.00  -75.94   42.88  -82.71   48.50
   11.00  -75.79   57.88  -78.67   54.52
   12.00  -75.47   72.88  -74.69   60.60
   13.00  -75.37   87.88  -71.11   68.03
   14.00  -75.54  102.88  -68.14   76.09
   15.00  -75.12  117.88  -65.15   82.94
   16.00  -75.00  132.88  -62.92   90.54
   17.00  -73.42  147.88  -59.77   97.00
   18.00  -73.11  162.88  -58.33  105.26
   19.00  -73.79  177.88  -58.34  114.02
   20.00  -73.08  192.88  -57.43  122.35
   21.00  -70.89  207.88  -55.59  131.27
   22.00  -70.09  222.88  -55.74  140.60
   23.00  -69.02  237.88  -56.20  150.54
</PRE>


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